Having the in oregon today, a sixweek standoff between the fbi and armed antigovernment protesters the final four holdouts surrendered. One refused to go quietly, though, ranting, liberty or death. Tonight weve learned the isis terrorist group in syria and iraq has chemical weapons in its arsenal. In a rare interview for 60 minutes we spoke to the director of the cia, john brennan. We have a number of incidents where isil has used chemical munitions on the battlefield. Artillery shells. Yeah, sure. Isis has access to chemical artillery shells . There are reports that isis has access to chemical precursors munitions that they can use. The cia believes that isis has the ability to manufacture small quantities of chlorine and mustard gas. And the capability of exporting those chemicals to the west . I think theres always the potential for that. This is why its so important to transportation routes and smuggling routes they have used. Are there American Assets on the ground right now hunting this down . The u. S. Intelligence is actively involved in being a part of the effort to destroy isil and to get as much insight into what they have on the ground inside of syria and iraq. Well have our full interview with cia director brennan, including the threat that he says keeps him up at night. Thats this sunday on 60 minutes. Millions have pled syria, but there are tens of thousands who cant get out. Theyre trapped between russian bombers and a closed turkish border. Hollywood williams is following this. Reporter imagine the terror. Never knowing where and when the warplanes will hit next. We cant independently verify these videos, but they appear to strikes on the town of tel rifaat this week. In the syrian regimes new offensive, which is backed by russian air power, civilians are once again paying with their blood. Crossing the border into turk y we met abdul kahrim bahloul, who runs a school in tel rifaat. The shelling and air strikes are random, he told us. Homes are destroyed and on the grounds. He told us he came to ask the turkish authorities to give refuge to children from the town. But after absorbing more than 2 million syrians, turkey is reluctant to let any more in. Syrian Regime Forces have now nearly encircled the city of aleppo. The u. N. Fears that 300,000 civilians could be cut off as they were in the town of madaya, more than 40 starved to death. Dalia al awqati that her charity, mercy corps, feeds and clothes half a Million People in Northern Syria each month. Its not much. No, but its essentially to keep a family alive. Reporter now theyre racing to get food parcels to families in aleppo city, fearing more starvation in a country thats already exhausted by a senseless war. And if syrias war wasnt complicated enough, today some americanbacked rebels told us they were attacked by kurdish fighters, who were also supported by the u. S. Now, the kurdish fighters say it wasnt deliberate, but, scott, this shows just how difficult it is for the u. S. To unite different faxes on the ground in syria. Holy williams, thanks. So, what can the u. S. Do to stop the war . For that we turn to margaret reporter well, today, the u. S. Is trying to broker an immediate ceasefire. Secretary kerry pushed russia and iran to stop attack in aleppo and let in aid to bee sieged areas. Vladimir putins military has cut off supply lines to the officials warn that that strengthens both isis and assad and it leaves the u. S. With little leverage in a war president obama has resisted getting involved in for five years now. Margaret brennan at the white house, thank you. Today cleveland mayor Frank Jackson apologized to the family of tamir rice after the city billed his estate 500 for ambulance services. The city also tore up the bill. In 2014 a cleveland cop shot rice who was 12. He was holding a gun that turned he died the next day at the hospital. The officer was not charged. In a Big Development today, scientists have announced what may be mongsamong the greatest discovery in the history of physics. They believe they found gravity waves predicted by einstein but two huge antennas, one in washington state, the other in louisiana, detected a gravity wave last september. This confirms einstein was right when he described the universe as like a fabric, woven from the three dimensions, plus time. What physicist call space time. The gravity wave was set off sending a ripple through the air. So tiny one scientists saying the ripple consisted the entire Milky Way Galaxy about the width of the universe stretches and opens may open an entirely new understanding of nature. Coming up next how explosions like this are improving airport security. And a scoop by a newspaper sets off an uproar. Cbs overnight news will be right back. 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Reporter theyre going through a new Training Program here in georgia designed to address troubling security gaps within the Transportation Security Administration. A damning report by homeland securities Inspector General show screeners failed to detect 67 of 70 suspicious items brought through airport checkpoints. Peter neffenger became the Inspector General. Shawn weeksfreeman is one of she was a Flight Attendant on panam flight 330 standing where the 737 was preparing to land in honolulu. When i talk to my class, i tell them, youre not here by accident. And i wasnt saved at that moment by accident because that threat in 1982 is todays threat still. Reporter the academy marks the first time all transportation Security Officers will have standardized training. Previously new hires were largely trained on the job at their home airport. The ig, if theyre going through checkpoints today with one of their teams trying to bring things that should be flagged, will those things be caught. Today. Reporter all of them . I dont know. Them. Reporter the students will work at this mock checkpoint. Its complete with all the equipment, scott, theyre going and well be right back. A small Catholic University in maryland is in turmoil after a report that its president wanted to weed out struggling students quickly to improve the schools standing. Some professors had been sent packing. Heres chip reid. Reporter ed egan was a professor at mt. St. Marys university in maryland. What would you normally be doing on a day like this . Id object campus today. Id be teaching my class on the first amendment. Reporter but on monday he was fired in a letter a School Official said he is per sona non the universitys campus because he violated his duty of loyalty to the school. It all began last month when the Student Newspaper reported that the School President simon newman wanted professors to identify struggling students in the first few weeks of school so they could be encouraged to drop out. Some faculty members resisted and the school paper reported that newman told them, this is hard for you because you think of the students as cuddly bunnies but you cant. You just have to drown the bunnies. Put a block to their heads. Many students and faculty were outraged. Its not just the words but its the plan that the words described. Reporter whats wrong with the plan . Weeding out students because we think they might not do well in order to make the numbers look better. Thats not mt. St. Marys. Reporter egan was the paper and says hes being punished for accurate but embarrassing reporting by the students. You did not tell them what to write . No. I did not. Not in any way. Reporter they cant be manipulated. They are independent, strong, bright people. Reporter a petition protesting the firing of egan and another professor has been signed by about 7500 professors and across the country and the questions for interview. On the face of a young child, whose joy mere words cannot describe. Heres elaine quijano. Elsa had magical powers and could create things out of snow and ice. Reporter 4yearold Mattie Zapata cant get enough of her books on tape because the voice is her mothers, mandi balderas, locked in a prison four hours away. I tell her how i missed her. Even though im not there physically, i know shes listening to my voice, spending time with me. Reporter each month while balderas and other selected inmates record a story and send it home. Its called storybook project and runs in six womens prisons across texas. It was a Sunny Afternoon at the end of may. This begins within the walls of a castle. We werent scared as long as we were together. Reporter 64 of incarcerated women nationwide lived with storybook tries to ease the pain of separation. If you put your hand in mine, you feel love powers. Reporter mattie was 18 months old when her mother went to prison that killed the other driver, a crime of manslaughter that victimized her daughter, too. I cry for mommy. How come . Because i miss her. If it wasnt for the books, she wouldnt be able to have the bond that we have now. I know that means something to her and i know it means something to me. Reporter but the fact s you got behind the wheel of a car when you had alcohol in your system and a person is dead because of that. Didnt you forfeit your right to do things like this when you made that decision . Yes, i made a decision. But its not about the decision anymore. Its about how we handle the circumstances. Thats how im choosing to handle the sishs, by helping my kids the best i can from where im at. Reporter balders has four years left of an eightyear sentence. When she finally reunites with her family, she hopes her children wont mistake her voice for a strangers. You are my sunshine, my only sunshine reporter elaine quijano, cbs news, columbus, texas. I love you always, mommy. And thats the overnight news for this friday. For some of you, the news continues. For others, check back with us later for the morning news and for cbs this morning. From the Broadcast Center in new york, im scott pelley. This is the cbs overnight news. Hello and welcome to the overnight news. The federal government is warning a possible shortages of the tests are designed to let pregnant women know if theyve been infected by the virus that can cause severe birth defects. The cdc is shipping test kits but admits there may not be enough to go around. The virus is mostly spread by mosquitos. Those in Southern States are especially vulnerable. And the cdc is warninging of a widespread outbreak in puerto rico. Women who are thinking about getting pregnant are to avoid traveling to latin america, especially brazil. Brazil is hosting the summer olympics and that puts americas female athletes in a bind. Morgan in the box with that and theyre on the board. Reporter world class female athletes, including members of the u. S. Womens soccer team are raising safety concerns ahead of this summers olympics in rio dede janeiro janeiro. Earlier this week star player very scary thing and goalie hope might skip the games. All i can do is speak for myself. If the olympics were today, i wouldnt go. We have six months. Things out. Pregnant women. Reporter the cdc says its working nonstop to gain control over the rapidly spreading virus. Suspected ties between the virus and the birth defect microcephaly appear to be strengthening. On wednesday the cdc reported that zika was found in the brain tissue of two brazilian babies who died from microcephaly less than 24 hours after birth. The strongest evidence today that zika is the cause of microcephaly but its still not definitive. Reporter the new england journal of medicine cited a separate case. According to the report, a 25yearold woman living in slovenia chose to have an child she was carrying had severe developmental abnormality abnormality. The woman who had been living in northern brazil showed zika symptoms during her pregnancy. Officials say the virus is spreading quickly because the aedes aegypti, which transmits the disease, is difficult to eradicate. The eggs can be droughtresist end and persist for some time. And it can bite four or five people in the course of one blood meal, meaning it can spread disease quite quickly. Reporter according to the cdc, a zika vaccine could be available by the end of 2017. Meanwhile, a group called catholics for choice is asking pope francis not to condemn contraception or abortion in order to protect the women. The department of Homeland Security is taking steps to ensure airport screeners are properly trained. For the first time the Transportation Security Administration will start centralized academy, sort of a tsa boot camp. Kris van cleave reports from glenco, georgia. This checkpoint is the centerpiece of the new tsa academy and the twoweek training course. This gross out of a top to bottom review done by the agency that found gaps in training and proficiency on equipment like this. The new Training Academy ames to change that. An explosive lesson on the dangers these soontobe airport screeners will be asked to help prevent. This is a explosive reporter the nearly 200 students assembled are some of the first to go through the new tsa Training Academy. Its controlled chaos. Its very difficult job. Reporter among those, 19yearold yasmin. Its a challenge but rewarding challenge. Reporter this is the First Time Since the agencys creation after 9 11 that the tsa has hired trainers who make between 31,000 and 45,000 a year. Previously they were trained on the job at the airport they work. The academy opened in january as the tsa tries to recover from a series of highprofile embarrassments, including two officers allegedly groping passengers in denver and where screeners failed to cast 67 out of 70 tests. Peter neffenger took over aadministrator following that report. I tried to refocus on the mission. What is a screeners job is to ensure something that doesnt get past the checkpoint doesnt get past. Reporter do you think well catch all of them . I sure hope we catch all of thempy my tests show we have dramatically improved. Reporter can you show us your finding . I wont publicly because this goes to reporter im talking about the vast majority . The majority . Reporter for shawn weeksfreeman, the success of the screeners trained here. She was a Flight Attendant on panam in august of 1982 and a few row as way when a bomb went off on board. A 16yearold passenger died. More than a dozen others were hurt. When i talk to my class, i tell them, youre not here by accident. And i wasnt saved at that moment by accident. Because that threat in 1982 is todays threat still. Royal caribbeans anthem of the sea is undergoing repairs and inspection at a dock in nj nmg. The ship sailed into a massive storm last week on its way to florida and had to limp back to port. Passengers describe a terrifying trip and there are calls for a federal investigation into why the ship set sail in the first place. Reporting from cape liberty. Reporter this gives you some idea of the enormity of the ship. That tells you something about the size of the storm that ran into that tossed this around like a paper cup. Last night passengers streamed off, some were cheering, some were kissing the ground. Who can blame them when you think about what they went through. Beatened, battered but hoim Royal Caribbeans anthem of the seas caped back into cape liberty last night. Free at last, free at last reporter putting an end to the terrifying trip. But as some of the 4500 passengers poured out of the stormdamaged cruise line. Awful. Reporter frustrations boiled over. To die. The worst part was the fear and the lies because we were told over and over we were in good shape. The reality is we shouldnt have set sail. 17 hours. Like a roller coaster you couldnt get off of and you werent strapped in. Reporter Royal Caribbean is forward with the trips despite the forecast. A Senior Vice President with the cruise line says the strength of the storm caught them offguard. Would you say the captain ultimately made a mistake in deciding to go ahead with this voyage . If we knew that winds of 125mileanhour sustained were going to be in that yashgs we never would have gone. Theres no question about it. Reporter but after reviewing weather reports for the area, a former cruise line captain told us the ship never should have set sail. There really was absolutely no way that ship was going to avoid that storm pipts a miracle the injuries and damage were as minimal as it were. This could have been an absolute catastrophe. Polidents unique micro clean formula works in just 3 minutes, killing 99. 99 of odor causing bacteria. For a cleaner, fresher, brighter denture every day. Seriously . Where do you think youre going . To work, with you. Its taco tuesday. Youre not coming. Of my mucusy congestion. Oh, right then ill swing by in like 4 hours. Forget the tacos one pill lasts 12 hours. Im good all day. Wait your loss. I was going to wear a sombrero. Only mucinex has a bilayer tablet that starts fast, and keeps working. Not 4, not 6, but 12 full hours. Start the relief. Ditch the misery. Lets end this. My son and i used to watch the red carpet shows on tv now, im walking them. Life is unpredictable being flake free isnt. Used regularly, it removes up to 100 of flakes keeping you protected live flake free for life the mars reconnaissance orbiter is capturing dramatic new scenes from above the red planet. Dunes and even a possible landing site. Nasas next project is called mars 2020. Jan crawford was allowed in the room at the jet Propulsion Laboratory in pasadena, california. Everyone that goes in this room has to be suited up because they cant risk any contamination to this spacecraft is going to mars in four years with an unmanned rover thats going to explore the surface. This is all part of nasas plan to send humans to mars in the next 20 to 30 years. This is what you have to do when you go into a room with a wow. That is going to be on the that . Absolutely. Liftoff of the atlas 5 with curiosity. Reporter its 200 million miles away, a speck in the sky. And in just four years, this Unmanned Mission to the red planet. Its a crucial step toward nasas goal of some day sending humans to mars. So everyone that works on this has to wear these suits. Nasa agreed to let us go inside the clean room, where even engineers working on the spacecraft have to be covered head to toe. It needs to be cleaned in order to work properly and its going to the surface of mars. We cant have earth stuff going there. We dont want to contaminate mars. Reporter for generations, mars has been a source of fascination. We can be on mars within 24 hours. Reporter a favorite of hollywood. 4. 5 billion years, nobody here, and now me. Reporter but here at the jet Propulsion Laboratory, its no longer Science Fiction but cuttingedge science. This piece of metal will be a sophisticated landing system for what all is put on this . The most important part that gets put on is the propulsion system, our rockets. Reporter yeah, thats pretty important. This animation shows how it will slow down the spacecraft. And gently drop an suvsized rover onto the surface of the planet. Nasa used the same technique in 2012 to land the curiosity rover. Were at 150 meters per second. Curiosity is the first rover to really confirm that mars was a habitable place. Reporter steven lee is the deputy project manager for curiosity. This is a replica here at the mars yard. Curiosity really is the parent of mars 2020. Reporter so, this is like the mom and daddy. The mom and daddy, exactly. Reporter the next generation rover will be loaded with a lot more technology. Like higher resolution cameras and an advanced robotic arm and drill. This is the rock room. Manager says will help search for signs of martian life. Were going to drill core and make small samples of rock that well leave on the surface. We hope future missions will get those samples, bring it back to earth so earth scientists can study those samples. Reporter weve never gotten anything off the surface of mars. And for the first time, nasa will test missions that future astronauts would use to survive their journey. In this room, what youre doing, could determine whether or not humans make it to mars in the near future. Using this technology, thats absolutely true. And reporter thats a lot of pressure. It is. We try not to think. Reporter they are working on how to turn the Martian Atmosphere into atmosphere, for astronauts to breathe and use as fuel. Inside this chamber is the reporter this experiment is critical because astronauts couldnt bring enough oxygen from earth to last for what will be a threeyear mission. If you want to go to mars as a human or if you want to launch a rocket from mars to bring a sample back, you need oxidizer to do that. If i could fly reporter all making this Upcoming Mission a giant leap for human travel into deep space. And down below reporter do you think that some day humans will be on mars . Oh, without question. Reporter without question . Absolutely. Eventually well be able to overcome all the challenges that are ahead of us. Reporter that seems crazy. Seems like a movie. Crazy but certainly a wonderful goal. Reporter a goal generations in the making. Now closer than ever. Do you ever think, like, that is 200 million miles away . Its sometimes just amazing to imagine that weve built such a large system, so much complexity thats so capable and we send it on a rocket. Light in the sky. Reporter now for all those kids out there who are going out at night and seeing that point of light in the sky, they could be the first humans to step foot on mars. And this spacecraft carrying that rover for all that Important Research will pave the way to get them there. The cbs overnight news will be right back. sounds of birds whistling music introducing new ky touch gel cr me. For massage and intimacy. Every touch, gently intensified. Ky touch. Dry spray . Thats fun. Its already dry no wait time. This is great. Its very soft. 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Music will gather in los angeles tomorrow to honor fourtime grammy winner lionel richie. Hes being honored for his remarkable career. Lionel ritchies peers will honor him, reihanna and is expected to raise millions for charity. Its a huge honor for ritchie and i got to spend an after with him singing those timehonored songs. I can tell you at 66 hes definitely still got it. Mornings just a moment away and i without you once again reporter hes responsible for some of the most iconic youre once twice three times a lady sing it now reporter lets just say, its hard not to sing along with lionel ritchie. Yes youre once everybody twice three times a lady the best thing that ever happens, the music stayed around. It stuck. Were talking about the Third Generation of folks are now sitting in the audience. Reporter and youve been going now, okay, i dont want to date you here no, no, 230 years, i know. Since 73. Reporter born and raised in tuskegee, alabama, ritchie led the come adores to the top of the charts in the 19 0s. Shes a brick house reporter he went solo in 1982 and became a superstar. Say you say me reporter dominating popular ten hits, including five number ones. Oh what a feeling when were dancing on the ceiling all night long reporter ritchie had no formal music training. He says he just somehow knew how to write songs by ear. So, i dont know why i know how to play that. Its just that i can play that. And so, trying to explain it to you is harder than trying to than just playing, because theres no real reporter you cant stop just there. Come on but you got to know that sail on down the line and dont really want to know where youre going where youre going maybe once or twice time after time we tried but now were going and i dont mind about the things youre going reporter of his many hits, this may be ritchies most famous line. Hello is it me youre looking for reporter of course, when adele released her new sing, the similarity was hard not to hear. Hello its me reporter the internet didnt waste any time spoofing the two hit songs. For reporter lets talk about who owns it, you or adele . Well, i was here first. No, no, listen. First of all, theres only so many ways you can say hello. So many people call me, rich, the goal stole your song. The girl stole your word. No, i dont own hello. Hello reporter there are onehit wonders. People who are hot and blazing and are gone in a minute. Yeah. Its not an easy business. Ego is the first part that kills you. The second part of it is just the stress. Its the stress. Because can you outdo your last show . I bet you cant do that again. Reporter so, how did you do it . I did it again reporter but how did you deal with the stress . I kept going back to the alabama. We werent keeping up with the we were just keeping up with the comodores. We werent at the clubs, hanging at the club scene. My grand month said, just dont drink any of that dope. I said, grandma, i promise you i wont drink any dope. I promise you. Reporter instead, ritchie was focused on making music and giving back. As i started gaining a bit of success, then it was even more apparent that, you know, how do i give a voice to the voiceless . Reporter he did just that when he and Michael Jackson sat down to write we are the world. There comes a time when we heed a certain call reporter the remarkable collaboration raised more than 60 million for humanitarian aid in africa. We are the world we are the children we are the ones that make a brighter day reporter this year music cares is paying tribute to ritchie for both his musical contributions and decades of charitable work. I said, ill receive this award if it doesnt mean goodbye because, as far as im concerned, im just Getting Started now. All night long all night reporter all night long. Ritchie puts on a great show and his resistcy at Planet Hollywood in vegas begins april. In addition to starts music cares tribute, big stars will be yes youre once the hunt continues in the Florida Everglades for those giant pythons. Mark strassmann is there. Reporter in the Florida Everglades, this is basking the coldblooded snakes seek out the warmth of the sun. Theres a lot of native plants we should be aware of. Reporter toms team is hunting for snakes. Burmese pythons are an Invasive Species and an evasive one. Tom, one of the team. Reporter its a challenge, though. It is a challenge. Reporter burmese pythons average about eight feet and camouflage themselves in more than 1 million acres of sawgrass here. Whispers. Ive got over 300 captured personally. Reporter he tracked down his first burmese in 2008 and was hooked. You go into an alpha predator mind set. Conceivably. Reporter first, they bite. If hundreds of sharp, razorsharp teeth, you just have release on its own. If you pull away from a python when it bites you, your arm is going to be shredded. Reporter and big burmese can also coil and crush you. I had ahold of a 17foot python a number of years back. Totally ecstatic. This is great. I had a hold of it like i was a feather on a freight train. Reporter a big burmese can swallow a deer. In this video, the alligator inside the pythons stomach was so big the snake actually exploded. Like the population of the snakes in the everglades. A female can lay up to 100 eggs. There could be tens of thousands to hundreds of thousands of snakes, we just dont know. Reporter penny works for the Florida Conservation company. Some pet owners release the burmese into the wild when their snakes grew too big. They dont have any natural predators in the state of florida. Them, floridas fish and wildlife started the python challenge. Top prize, 5,000. Rayhill is competing with his group of volunteers called the swamp apes. They grab a burmese by the neck, behind the jaw and let it wear itself out and then drop it into this bag. They can deliver it dead or alive to wildlife officials. Mark strassmann in the Florida Everglades. Thats the overnight news for this friday. For some of you, the news continues. For others, check back a little later for the morning news and cbs morning news. From the Broadcast Center in new york city. News. The president ial campaign trail is now winding through South Carolina, the next primary state. For the democrats, its a chance her footing after being soundly beaten by Bernie Sanders in new hampshire. For sanders, its the opportunity to introduce himself to a group that he will need to africanamericans. Clinton and sanders squared off last night in milwaukee for their final debate before the here is some of what they had to say. Senator, do you worry at all that you will be the instrument of thwarting history, as senator clinton keeps claiming, that she might be the first woman president . An historical point of view, somebody with my background, somebody with my views, somebody who has spent his entire life taking on the big money interest, i think a sanders victory would be of some historical accomplishment as well. You know, i have said i have said many times, you know, support me because im a woman. Im asking people to support me because i think im the most qualified, experienced and ready person to be the president and the commander in chief. And i appreciate greatly senator sanders voting record. And i was very proud to get the endorsement of the planned Parenthood Action Fund because ive been a leader on these issues. I have gone time and time again to take on the vested interest who would keep Womens Health care decisions, the province of the government instead of women sanders faces an uphill battle in South Carolina. More than half the electorate is africanamerican. A group that has long supported both clinton and her husband. Heres nancy cordes. Hillary clinton has been there. Reporter nearly 20 members of the Congressional Black Caucus vowed today to campaign for clinton. Hakeem jeffries of new york was one of them. Hillary clinton has been deal with the gun violence epidemic and its impact on africanamerican communities across the country. Reporter she has prayed with black pastors, met with black lives matter protesters and is airing this new ad in the south. You have to face up to the hard truth of injustice and systematic racism. Reporter her Campaign Says sanders is a johnnycomelately on race issues. He says he got his start in activism during the civil rights movement. Georgia congressman john lewis scoffed at that today. But i never saw him. I never met him. I would chair the student nonviolent coordinating committee, but i met hillary clinton. I met president clinton. Reporter sanders does speak frequently about incarceration rates and poverty. 51 of young africanamerican kids in this country are unemployed or underemployed. That is a national tragedy. Reporter the influential writer Tanehisi Coates called sanders the best option and Harry Belafonte endorsed him today. I think he represents opportunity. I think he represents a moral imperative. Reporter when clinton and sanders face off here in milwaukee tonight, shell argue that she will actually do more to carry on the legacy of the nations first black president , while hell argue, scott, that hell actually do more to help minorities with his proposals for things like Free Public College tuition. Nancy, thanks very much. The republican primary in South Carolina is just nine day as way and the attacks are getting louder and cruder. Heres major garrett. We win here, were going to run the table. Reporter donald trump in South Carolina, by turns optimistic and vulgar. What the hell is this guy talking about . I dont know what the hell i was doing. What the hell are we doing . Senator marco rubio. Campaigning in the state with more conservative cultural instincts criticized trumps language as an assault on decency. You turn on the tvs you have a leading president ial candidate saying profanity from a stage. Profanity from a stage. I mean, all these things undermine what we teach our children. Reporter jeb bush also piled on. He says, were going to bomb the blank, blank, blank out of isis, using a vulgarity. Thats not leadership. Reporter in 2012 about twothirds of republican primary voters in South Carolina described themselves as evangelical or born hiveagain christians. Presenting a challenge for trump, despite his large lead in the polls. Voters we spoke to here were divide. Just the way he carries himself and when he claims to be a christian and you only quote one verse out of the bible, i mean, come on. I think thats what a lot of people like about him, he says i love it. Reporter trump today pulled an ad criticizing ted cruz and said he would only run positive ads from now on. John kasichs campaign has been doing that for weeks and described bushs efforts in South Carolina of having all the joy of a texas chain saw massacre. Thanks, major. Cbs news will host the next republican debate. Thats saturday evening at 9 00 p. M. Eastern time and John Dickerson is the moderator. In another important story tonight, the zika virus, suspected of causing birth defects, keeps spreading. 79 cases now in the u. S. Its active in 26 countries and territories in the americas. Brazil is the hardest hit. And with the olympics there this summer, hard choices have to be made. Heres dr. Jon lapook. Morgan in the box and theyre on the board reporter the u. S. Womens soccer team started on the road to rio last night with a win in their first olympic qualifying the teams goalkeeper, hope solo, is raising concern about the risk of zika infection if the olympics were today, i want to go. Today. So, we have six months. We have a little bit of time to figure things out. Reporter u. S. Olympic committee ceo Scott Blackmun tried to address questions and doubts in a memo to prospective olympians. He said the organization is working with the cdc and Infectious Disease specialists to closely monitor the situation. But no matter the preparation, he wrote, there will always be risks with olympic competition. Officials with the rio games told cbs news all rooms in the Olympic Village will be air conditioned and venues inspected daily to remove standing water where mosquitos might breed. The population of the mosquito that carries zika goes down significantly in the cooler, dryer months of august and september, when the games will the main worry is the suspected link between the virus and microcephaly, an unusually small head at birth. That link has been strengthened within the past day by reports both in brazil and the united states. The virus has now been found in the placenta of mothers who miscarried and the brain tissue of newborns with microcephaly who died. I spoke with an official from the Rio Olympic Organizing Committee today and asked, are there any thoughts of canceling or postponing the olympics or is it full steam ahead . He said, full steam ahead. Having a test event in in oregon today, a sixweek standoff between the fbi and armed antigovernment protesters ended peacefully. The final four holdouts one refused to go quietly, though, ranting, liberty or death. Tonight weave learned that the isis terrist group in syria and iraq has chemical weapons in its arsenal. In a rare interview for 60 minutes we spoke to the director of the cia, john brennan. We have a number of incidents where isil has used chemical munitions on the battlefield. Artillery shells. Yeah, sure. Isis has access to chemical artillery shells . There are reports that isis has access to chemical precursors and munitions that they can use. The cia believes that isis has the ability to manufacture small quantities of chlorine and mustard gas. And the capability of exporting those chemicals to the west . I think theres always the potential for that. This is why its so important to cut off the various smuggling routes they have used. Are there American Assets on the ground right now hunting this down . The u. S. Intelligence is actively involved in being a part of the effort to destroy isil and to get as much insight into what they have on the ground inside of syria and iraq. Well have our full interview with cia director brennan, including the threat that he says keeps him up at night. Thats this sunday on 60 minutes. Millions have fled syria, but there are tens of thousands who cant get out. Bombers and a closed turkish border. Holly williams is following this. Reporter imagine the terror. Never knowing where and when the warplanes will hit next. We cant independently verify these videos, but they appear to show the aftermath of air rifaat this week. In the syrian regimes new offensive, which is backed by russian air power, civilians are once again paying with their blood. Crossing the border into turkey, we met abdul kahrim bahloul, who runs a school in tel rifaat. The shelling and air strikes are random, he told us. Homes are destroyed and childrens bodies lie in shreds on the ground. He told us he came to ask the turkish authorities to give refuge to children from the town. But after absorbing more than 2 million syrians, turkey is reluctant to let any more in. Syrian Regime Forces have now nearly encircled the city of aleppo. The u. N. Fears that 300,000 civilians could be cut off as they were in the town of madaya, more than 40 starved to death. Dalia al awqati that her clothes half a Million People in Northern Syria each month. Its not much. No, but its essentials to keem a family alive. Reporter now theyre racing in aleppo city, fearing more starvation in a country thats already exhausted by a senseless war. And as if syrias war isnt complicated enough, today some americanbacked rebels told us they were attacked by kurdish fighters, who were also supported by the u. S. Now, the kurdish fighters say it wasnt deliberate, but, scott, this shows just how difficult it is for the u. S. To unite different faxes factions on the ground in syria. Holly williams, thanks. Stop the war . Brennan. Margaret . U. S. Is trying to broker an immediate ceasefire. Secretary kerry pushed russia and iran to stop attacking civilians in aleppo and let in aid to besieged areas. Vladimir putins military has cut off supply lines to the u. S. Backed rebels, and u. S. Officials warn that that strengthens both isis and assad and it leaves the u. S. With little leverage in a war president obama has resisted getting involved in for five years now. Margaret brennan at the white house, thank you. Today cleveland mayor Frank Jackson apologized to the family of tamir rice after the city billed his estate 500 for ambulance services. The city also tore up the bill. In 2014 a cleveland cop shot rice who was 12. He was holding a gun that turned out to be a toy. He died the next day at the hospital. In a Big Development today, scientists have announced what may be among the greatest discoveries in the history of physics. They believe they found gravity waves predicted by einstein but never observed. Two huge antennas, one in washington state, the other in louisiana, detected a gravity wave last september. This confirms einstein was right when he described the universe as like a fabric, woven from the what what physicist call space time. The gravity wave was set off sending a ripple through the fabric. The effect is so tiny, one scientist estimated the ripple consisted the entire Milky Way Galaxy about the width of a thumb, observing that the fabric of the universe stretches and new understanding of nature. Coming up next how explosions like this are improving airport security. And a scoop by a newspaper sets off an uproar. Cbs overnight news will be right back. And take a big smell. They smell really fresh what if we told you we washed these sheets 7 days ago. Really . No way downy . Downy fabric conditioner give us a week, and well change your bed forever. Want more freshness . Add new downy fresh protect. ugh. does your carpet ever feel rough and dirty . 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The tsa is looking for a more professional and effective force of airport screeners. Kris van cleave is in glenco, georgia, tonight at the tsas new Training Academy. Reporter seeing the power of even a small explosive made the threat real for nearly 200 soontobe airport screeners. Two, one. Reporter theyre going through a new Training Program here in georgia designed to address troubling security gaps within the Transportation Security Administration. A damning report by homeland securities Inspector General last summer found screeners failed to detect 6 of 70 suspicious items brought through airport check points. Peter neffenger became the tsa administrator last july. What the Inspector General reports show us you can never take your eye off the mission. Reporter shawn weeksfreeman is one of the academy instructors. Panam flight 330 standing where a bomb explode, where the 737 prepared to land in honolulu. One was killed, more than a dozen injured. When i talk to my class, i tell them, youre not here by accident. And i wasnt saved at that moment by accident because that threat in 1982 is todays threat still. Reporter the academy marks the first time all transportation Security Officers previously new hires were largely trained on the job at their home airport. The i. G. , if theyre going through check points today with one of their teams trying to bring things that should be flagged, will those thipgs be caught . I think well catch them today. I dont know. Them. Reporter the students will work at this mock checkpoint. Its complete with all the equipment, scott, theyre going to use in the field. And well be right back. A small Catholic University in maryland is in turmoil after a report that its president wanted to weed out struggling students quickly to improve the schools standing. Some professors had been sent packing. Heres chip reid. Reporter ed egan was a professor at mt. St. Marys university in maryland. What would you normally be doing on a day like this . Id be on campus. Today id be teaching my class on the first amendment. Reporter but on monday he was fired in a letter a School Official said he is persona non grata and not welcome to visit the universitys campus because he violated his duty of loyalty to the school. It all began last month when the Student Newspaper reported that newman wanted professors to identify struggling students in the first few weeks of school so they could be encouraged to drop out. Some faculty members resisted and the school paper reported that newman told them, this is hard for you because you think of the students as cuddly bunnies but you cant. You just have to drown the bunnies. Put a glock to their heads. Many students and faculty were outraged. Its not just the words, but its the plan that the words described. Reporter whats wrong with the plan . Weeding out students because we think they might not do well in order to make the numbers look better. Thats not mt. St. Marys. Reporter egan was the faculty adviser to the school paper and says hes being punished for accurate but embarrassing reporting by the students. You did not tell them what to write . I did not. Reporter in any way . No. Anybody on campus who knows the students, knows that nobody would manipulate these students. Reporter they cant be they are independent, strong, bright people. Reporter a petition protesting the firing of egan and another professor has been signed by about 7500 professors across the country, and, scott, the university declined our repeated requests for an interview. Instead, they issued a statement saying the two professors had violated the code of conduct. Chip reid, thanks, chip. Into joy. Our final story tonight is written on the face of a young cannot describe. Heres elaine quijano. Elsa had magical powers and could create things out of snow and ice. Reporter 4yearold Mattie Zapata cant get enough of her bookings on tape. Anna was delighted. Reporter because the voice is her mother, mandi balderas, locked in a prison four hours away. I told her how i missed her. Even though im not there physically, i know shes listening to my voice, spending time with me. Reporter each month while balderas and other selected inmates choose a story to record and then mail it home. Its called storybook project, and it runs in six womens prisons across texas. It was a Sunny Afternoon at the end of may. This story begins within the walls of a castle. We werent scared as long as we were together. Reporter 64 of incarcerated women nationwide lived with storybook tries to ease the pain if you put your hand in mine, youll feel my love powers. Love you. Reporter mattie was 18 months old when her mother went to prison for a dwi crash that killed the other driver, a crime of manslaughter that victimized her daughter, too. I cry for mommy. How come . Because i miss her. If it wasnt for the books, she wouldnt be able to have the bond that we have now. I know that means something to her and i know it means something to me. Reporter but the fact is, you got behind the wheel of a car when you had alcohol in your system and a person is dead because of that. Didnt you forfeit your right to do things like this when you made that decision . Yes, i made a decision. But its not about the decision anymore. Its about how we handle the circumstances. Thats how im choosing to handle the circumstances, by helping my kids the best i can from where im at. Hey, mattie, its me, mommy. Reporter balderas has four sentence. When she finally reunites with her family, she hopes her children wont mistake her voice for a strangers. You are my sunshine, my only sunshine reporter elaine quijano, cbs news, columbus, texas. I love you always, mommy. And thats the overnight news for this friday. For some of you, the news continues. For others, check back with us later for the morning news and for cbs this morning. From the Broadcast Center in new york city, im scott pelley. This is the cbs overnight news. Hello and welcome to the overnight news. The federal government is warning of possible shortages of the tests are designed to let pregnant women know if theyve been infected by the virus that can cause severe birth defects. The cdc is hipping more than 60,000 test kits, but admits there may not be enough to go around. The virus is mostly spread by mosquitos. People who live in Southern States are especially vulnerable. And the cdc is warning of a possible widespread outbreak in puerto rico. Women who are thinking about getting pregnant are to avoid traveling to latin america, especially brazil. Brazil is hosting the summer olympics and that puts americas female athletes in a bind. Morgan in the box with that shot and theyre on the board reporter world class female athletes, including members of the u. S. Womens soccer team are raising safety concerns ahead of this summers olympics in rio de janeiro. Earlier this week star player alex morgan called the virus a solo went even further, saying its possible she might skip the games. All i can do is speak for myself. If the olympics were today, i wouldnt go. We have six months. We have a little time to figure things out. Our goal really is to protect pregnant women. Reporter the cdc says its working nonstop to gain control over the rapidly spreading virus. Suspected ties between the virus and the birth defect microcephaly appear to be strengthening. On wednesday the cdc reported that zika was found in the brain tissue of two brazilian babies who died from microcephaly less than 24 hours after birth. The strongest evidence today that zika is the cause of microcephaly but its still not definitive. Reporter the new england journal of medicine cited a separate case from october. According to the report, a 25yearold woman living in slovenia chose to have an abortion after learning the child she was carrying had abnormalities. An autopsy later revealed the fetus had microcephaly. The woman who had been living in northern brazil showed zika symptoms during her pregnancy. Officials say the virus is spreading quickly because the aedes aegypti, which transmits the disease, is difficult to eradicate. Its eggs can be droughtresistant and can persist for some time. And it can bite four or five people in the course of one blood meal, meaning it can reporter according to the cdc, a zika vaccine could be meanwhile, a group called catholics for choice is asking pope francis not to condemn contraception or abortion in an attempt to help women protect themselves from the virus. The department of Homeland Security is taking steps to ensure airport screeners are properly trained. For the first time the Transportation Security Administration will start training all screeners at one centralized academy, sort of a kris van cleave reports from the federal Law EnforcementTraining Centers in glenco, georgia. Reporter this checkpoint is the centerpiece of the new tsa academy and the twoweek training course. This grows out of a top to bottom review done by the agency that found gaps in training and he proficientcy on equipment like this. The new Training Academy aims to change that. An explosive lesson on the dangers these soontobe airport screeners will be asked to help prevent. This is a explosive reporter the nearly 200 students assembled are some of the first to go through the new tsa Training Academy. Its controlled chaos. Its a very difficult job. Reporter among those, 19yearold yasmin. Its a challenge but its a rewarding challenge. Reporter this is the First Time Since the agencys creation after 9 11 that the tsa has centralized training of newly hired screeners, who make year. Previously they were trained largely on the job at the airport where they work. Do you see anything in that bag . Reporter the academy opened in january as the tsa tries to recovery from a series of highprofile embarrassments, including two officers fired for allegedly groping a passenger in denver. And in a test where they failed to catch 67 out of 70 tests. Peter neffenger took over as administrator following that report. I tried to refocus on the mission. I said, what a screeners job is to ensure something that doesnt get past the checkpoint doesnt get past. Reporter will you catch i hope so. Reporter all of them . I sure hope we catch all of them. My test shows we have dramatic dramatically improved. Reporter can you show us your finding . I wont publicly because this goes to reporter im talking about the vast majority . The majority . Majority. Weeksfreeman, the success of the screeners trained here this year is personal. She was a Flight Attendant on panam in august of 1982 and a few rows away when a bomb went off on board. A 16yearold passenger died. More than a dozen others were hurt. When i talk to my class, i tell them, youre not here by accident. And i wasnt saved at that moment by accident. Because that threat in 1982 is todays threat still. Royal crib caribbeans anthem of the sea is undergoing repairs and inspection at a dock in new jersey. The ship sailed into a massive storm last week on its way to florida and had to limp back to port. Passengers describe a terrifying trip and there are calls for a federal investigation into why the ship set sail in the first place. Reporting from cape liberty. Reporter ths gives you some idea of the enormity of the ship. That also tells you something about the size of the storm that it ran into that tossed it around like a paper cup. Last night passengers streamed off, some were cheering, some were kissing the ground. Who can blame them when you think about what they went through. Beaten, battered but home, Royal Caribbeans anthem of the seas limped back into cape liberty, new jersey, last night. Free at last, free at last reporter putting an end to the terrifying trip. But as some of the 4500 passengers poured out of the stormdamaged cruise line awful experience. Awful. Reporter frustrations boiled over. We thought we were all going to die. The worst part was the fear and the lies because we were told over and over we were in good shape. The reality is we shouldnt have set sail. We were trapped in a room for 17 hours. Like on a roller coaster you cant get off of and you werent strapped in. Reporter Royal Caribbean is facing criticism for going the forecast. A Senior Vice President with the cruise line says the strength of the storm caught them offguard. Would you say the captain ultimately made a mistake in deciding to go ahead with this voyage . If we knew that winds of 125mileanhour sustained were going to be in that area, we never would have gone. Theres no question about it. Reporter but after reviewing weather reports for the area, a former cruise line captain told us the ship never should have set sail. There really was absolutely no way that ship was going to avoid that storm. Its a miracle that the damage and injuries were as minimal as they were. This could have been an absolute catastrophe. The cbs overnight news will be right back. Finish jetdry with five power actions that dry dishes and prevent spots and film, so all thats left is the shine. For better results, use finish jetdry. In a world thats trying to turn you into someone new. One hair color wants to help you keep on being you. That even in sunlight, doesnt look like hair color. It just looks like you. 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Reporter everyone that goes in this room has to be suited up because they cant risk any contamination to this spacecraft, is going to mars in four years with an unmanned rover thats going to explore the surface. And this is all part of nasas plan to send humans to mars in the next 20 to 30 years. This is what you have to do when you go into a room with a spacecraft headed for mars. Wow. That is going to be on the surface of mars . That . Absolutely. Liftoff of the atlas 5 with curiosity. Reporter its 200 million miles away, a speck in the sky. And in just four years, this spacecraft will blast off for an Unmanned Mission to the red its a crucial step toward nasas goal of some day sending humans to mars. So everyone that works on this has to wear these suits. Nasa agreed to let us go inside the clean room, where even engineers working on the spacecraft have to be covered head to toe. It needs to be clean in order to work properly and its going to mars, we cant have earth stuff going there. We dont want to contaminate mars. Reporter for generations, mars has been a source of fascination. We can be on mars within 24 hours. Reporter a favorite of hollywood. 4. 5 billion years, nobody here, and now me. Reporter but here at the jet Propulsion Laboratory, its no longer Science Fiction but cuttingedge science. This piece of metal will be a sophisticated landing system for mars 2020. The most important part that gets put on is the propulsion system, our rockets. Yeah, the rockets. Reporter yeah, thats pretty this animation shows how it will slow down the spacecraft. And gently drop an suvsized rover onto the surface of the planet. We are decelerating. Reporter nasa used the same technique in 2012 to land the were at 150 meters per second. Curiosity is the first rover to really confirm that mars was a habitable place. Reporter steven lee is the deputy project manager for curiosity. This is a replica here at the mars yard. Curiosity really is the parent of mars 2020. Reporter so, this is like the mom and daddy. The mom and daddy, exactly. Reporter the next generation rover will be loaded with a lot more technology. Like higher resolution cameras and an advanced robotic arm and drill. This is the rock room. Reporter which deputy for signs of martian life. Were actually going to drill cores and make small samples of martian rock that well leave on the surface. We hope future missions will get those samples, bring it back to earth so earth scientists can study those samples. Reporter weve never gotten anything off the surface of mars. Weve never brought anything back from the surface of mars. Reporter and for the first time, nasa will test systems that future astronauts would use to survive their journey. In this room, what youre doing, could determine whether or not humans make it to mars in the near future. Using this technology, thats absolutely true. And reporter thats a lot of pressure. It is. We try not to think about it. Reporter engineer jim lewis and his team are working on how to turn the Martian Atmosphere into at months fewer, for astronauts to breathe and use as fuel inside this chamber is the pressure. Critical because astronauts couldnt bring enough oxygen from earth to last for what will be a threeyear mission. If you want to go to mars as a human or if you want to launch a rocket from mars to bring a sample back, you need oxidizer to do that. If i could fly reporter all making this Upcoming Mission a giant leap for human travel into deep space. And down below reporter do you think that some day humans will be on mars . Oh, without question. Reporter without question . Absolutely. Eventually well be able to overcome all the challenges that are ahead of us. Reporter that seems crazy. It seems like a movie. Crazy but certainly a wonderful goal. Reporter a goal generations in the making. Now closer than ever. Do you ever think, like, that is 200 million miles away . Its sometimes just amazing to imagine that weve built such a large system, so much complexity thats so capable and we send it on a rocket. When you go out in the Morning Light in the sky. Reporter now for all those kids out there who are going out at night and seeing that point of light in the sky, they could be the first humans to step foot on mars. And this spacecraft carrying that rover for all that Important Research will pave the way to get them there. The cbs overnight news will be right back. sounds of birds whistling music introducing new ky touch gel cr me. For massage and intimacy. Every touch, gently intensified. A little touch is all it takes. Check this out, bro. Whats that, broheim . I switched to geico and got more. More savings on Car Insurance . 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Some of the biggest acts in tomorrow to honor fourtime grammy winner lionel richie. Hes being honored as a 2016 music cares person the year for his remarkable career. Michelle miller got to spend some time with him. Lionel richies peers will honor him, chris stapleton, rihanna, and so many more. Its expected to raise millions for charity. Its a huge honor for richie, and i got to spend an afternoon with him singing some of those timehonored songs. I can tell you at 66 hes definitely still got it. Mornings just a moment away and i without you once again i dont even dare jump in. Reporter hes responsible for some of the most iconic songs of the past five decades. Twice three times a lady sing it now reporter lets just say, its hard not to sing along with lionel richie. Yes youre once everybody twice three times a lady the best thing that ever happens, the music stayed around. The music stuck. Were talking about the Third Generation of folks are now sitting in the audience. Reporter and youve been going now, okay, i dont want to date you here no, no, 230 years, i know. Since 73. Reporter born and raised in tuskegee, alabama, richie led the commadores to the top of the charts in the 1960s. Shes a brick house reporter he went solo in 1982 and became a superstar. Say you say me reporter dominating popular music with 13 consecutive top ten hits, including five number oh what a feeling when were dancing on the ceiling all night long all night reporter richie had no formal music training. He says he just somehow knew how to write songs by ear. So, i dont know why i know how to play that. Its just that i can play that. And so, trying to explain it to you is harder than trying to than just playing, because theres no real reporter you cant stop just there. Come on but you got to know that sail on down the line about a half mile or so where youre going where youre going maybe once or twice time after time we tried to hold on to what we got but now were going and i dont mind about the things youre going to reporter of his many hits, this may be richies most famous line. Hello is it me youre looking for reporter of course, when adele released her new single, the similarity was hard not to hear. Hello its me reporter the internet didnt waste any time spoofing the two hit songs. Hello reporter lets talk about hello. Who owns it, you or adele . Well, i was here first. No, no, listen. First of all, theres only so many ways you can say hello. You know, so so many people call me, rich, the girl stole your song. The girl stole your word. I said, no, i dont own hello. Hello reporter there are onehit wonders. People who are hot and blazing and are gone in a minute. Yeah. Its not an easy business. Ego is the first part that kills you. And then the second part of it is just the fact that the stress. Its the stress. Because can you outdo your last show . I bet you cant do that again. Reporter so, how did you do it . I did it again, but its reporter but how did you deal with the stress . I kept going back to the alabama. We werent keeping up with the joneses in alabama. We were just keeping up with the comodores. It was never that hanging at the my grandmother, she said, now, you have to promise me one thing. I dont want you drinking any of that dope. Dont drink any of that dope. I just said, grand marks i promise you, i wont reporter i wont drink it. I wont drink any dope. I promise you. Reporter instead, richie was focused on making music and giving back. As i started gaining a bit of success, then it was even more apparent that, you know, how do i give a voice to the voiceless . Reporter he did just that down to write we are the world. There comes a time when we heed a certain call reporter the remarkable collaboration raised more than 60 million for humanitarian aid in africa. We are the world we are the ones that make a brighter day cares is paying tribute to richie for both his musical contributions and decades of charitable work. I said, ill receive this award if it doesnt mean goodbye because, as far as im concerned, im just Getting Started now. All night long all night reporter all night long. Richie puts on a great show and his residency at Planet Hollywood in vegas begins in april. In addition to music cares tribute, big stars will be joining richie at the grammys. Yes youre once three times a lady when the engines failed on the plane i was flying, i knew what to do to save my passengers. But when my father sank into depression, i didnt know how to help him. When he ultimately shot himself, he left our family devastated. Dont let this happen to you. If you or a loved one is suicidal, call the National Suicide prevention lifeline. No matter how hopeless or helpless you feel, with the right help, you can get well. franklin d. Roosevelt the inherent right to work is one of the elemental privileges of a free people. Endowed, as our nation is, with abundant physical resources. And inspired as it should be to make those resources and opportunities available for the enjoyment of all. We approach reemployment with real hope narrator donate to goodwill where your Donations Help Fund job placement and training for people in your community. The hunt continues in the Florida Everglades for those giant burmese pythons. Its a monthlong harvest aimed at bringing down the population. Mark strassmann is there. Reporter in the Florida Everglades, this is basking season for burmese pythons, when the warmth of the sun. Theres a lot of native plants we should be aware of. Reporter tom rahills team is hunting for snakes. Burmese pythons are an Invasive Species and an evasive one. Tom, one of rahhills team. Its a challenge, though, isnt it . It is a challenge. Reporter burmese pythons average about eight feet and camouflage themselves in more than 1 million acres of swamp and sawgrass here. Rahill is known as the snake whisperer. Ive got over 300 captured personally. Reporter he tracked down his first burmese in 2008 and was hooked. You go into an alpha predator mind set. If you dont have an alpha predator mind set, you could get hurt, conceivably. Reporter first, they bite. Hundreds of sharp, razorsharp teeth, you just have to breathe deep and just let it if you pull away from a python when it bites you, your arm is going to be shredded. Reporter and big burmese can also coil and crush you. I had ahold of a 17foot python a number of years back. Totally ecstatic. Whoa this is great. I had a hold of it like i was a feather on a freight train. Reporter a big burmese can swallow a deer. In this photo, the alligator inside the pythons stomach was so big, the snam actually exploded. Like the population of the snakes in the everglades. A female can lay up to 100 eggs. Thousands to hundreds of thousands of snakes, we just dont know. Reporter somers worked for company. Some pet owners release the burmese into the wild when their snakes grew too big. They dont have any natural predators in the state of florida. Theyre not supposed to be here. Reporter for help removing them, floridas fish and wildlife officials started the top prize, 5,000. Rahill is competing with his team of volunteers called the swamp apes. These hunters grab a burmese by the neck, behind the jaw, and let it wear itself out, and then drop it into this bag. They can deliver it dead or alive to wildlife officials. Mark strassmann in the Florida Everglades. Thats the overnight news for this friday. For some of you, the news continues. For others, check back a little later for the morning news and cbs this morning. From the Broadcast Center here in new york city. Captioning funded by cbs its friday, february 12th, this is the cbs morning news. Campaign 2016 democrats take center stage in another debate, but the republicans snag a few headlines of their own and a few young fans. Polar plunge. The lowest temperatures of the winter are heading to the northeast with forecasters warning the cold could kill. Restaurant rampage. Several people are hurt when a man wielding a machete goes on a violent spre. The ocean doesnt see male or female. And making waves at mavericks. Women argue its time for a change at one of surfs biggest competition. Good morning from the studio 57 newsroom at cbs news headquarters in new york. Good to be with you. Im annemarie green. Still smarting from a