You know, be worried, and i get that, and thats why im answering questions, and thats why im putting out, you know, my policies. And thats why wall street billionaires are running ads against me. Theyre not running them against senator sanders. Reporter if you knew you were probably going to run for president , why leave yourself open to that attack by taking s these large speaking fees on wall street . I didnt know reporter everybody knew. Well, im glad you did. Look, i spoke to campers, i spoke to heart doctors, i spoke to auto dealers, i spoke to a wide range of people who actually want to hear from former secretaries of state. But thats not what this is about. What this is about, is the implication that somehow im going to be in the tank for the campers of america, or im going to really go overboard for heart doctors. Now, really, this is so unfair and wrong. Reporter at the debate, clinton was asked if she would release transcripts of her wall street speeches, and she said shed look into it. There is to look into. She said she didnt know, but that its going to have to wait until after next tuesdays primary. Pelley nancy cordes with the key interview tonight. Nancy, thank you. Hillary clinton and Bernie Sanders will be john dickersons guests on face the nation thisf sunday. Donald trump is leading republicans in New Hampshire, but marco rubio is gaining with ted cruz close behind. John kasich is also in double digits. Bush brought out the heavy artillery today. Reporter heavy snow today did not stop 90yearold barbara bush for campaigning for son jeb. Vote for jeb gloria, we need your vote. Reporter struggling in the polls, bush accepted all the help he could get, even from children. What is this . Id like to donate this to your campaign. Youre kidding. We love trump reporter the snow forced donald trump to cancel his only new york and connecticut slogged through the Winter Weather to knock on doors on behalf of a campaign suddenly trying to mount a Voter Mobilization effort. Marco is running for president to expand the american dream. Reporter volunteers for marco rubio worked the phones as the florida senator also tried to stand up a ground game in the home stretch. Chris christie, attending his 65th town hall, warned voters about candidates like trump and rubio, who have not invested as much time in the granite state. If you reward those folks who dont show up here, theres no reason theres no reason for New Hampshire to be first. Reporter john kasich is in the middle of his 100th town hall. He doesnt have the poll numbers here that rubio does, but he doesnt necessarily need to. Scott, the way rubio and kasich finish in this state, because kasich has the best organization, will tell a lot in the future about politicking for the presidency here in New Hampshire. Pelley major garrett, thank you. The zika virus, suspected of causing birth defects, is now in the americas. Two new cases in florida now bring the total in the u. S. To at least 53. Zika is most often spread by mosquitoes, but today, the c. D. C. Put out new guidelines aimed at transmission through sex. Our dr. Jon lapook is in brazil, the country hardest hit by the outbreak. Reporter todays c. D. C. Guidelines say men who live in or have traveled to a country with a zika outbreak should abstain from sex or use condoms during sex with pregnant women. Zika Virus Testing should be offered to all pregnant women who have been to affected countries. If they have symptoms, testing should be done within the first week of illness. C. D. C. Director tom frieden were looking to increase the number of women who are intensively monitored by their Health Care Provider if theyre pregnant to see if they have any indication that they might have this infection. Reporter the main cause for concern in pregnant women is the suspected link between zika babies born with a small head and possible brain damage. Health officials in brazil say more than 4,000 babies have this serious birth defect. The c. D. C. Is telling doctors in the u. S. To be vigilant. Dr. Nancy cossler is an ob gyn at University Hospitals case once microcephaly starts to develop, we cant fix it. Its not like having hypertension in pregnancy, or diabetes in pregnancy, where we know what to do to get best outcomes for babies whose moms are affected by those diseases. Reporter today, brazilian researchers reported finding the virus in urine and saliva, but that does not mean zika infection can be transmitted by those fluids. Scott, zika is still predominantly spread by mosquitoes. Pelley jon lapook covering zika for us in brazil tonight. Jon, thank you. Today, we got some overdue goode news on the economy, after weeks china and oil prices. The government says 151,000 jobs were created in january; not spectacular, but solid. The Unemployment Rate fell to 4. 9 . And just look at the journey america has taken to get there. After the Great Recession struck in 2008, unemployment shot up to 10 , and it has taken more than six years to get here. And because the job market is tightening now, wages have finally started to rise, up 2. 5 in the past year. Maybe its a miracle that more people werent killed in manhattan this morning as cars and people scurried through rush hour, a 560foot construction crane tipped over and crushed parts of two city blocks. One person was killed, two were hurt, and heres Demarco Morgan. There it goes. Its moving fast now. Whoa reporter cell phone video taken from 30 stories high captured the frightening moment. Whoa its falling its falling oh, it broke reporter the emergency calls immediately started pouring in. It was terrifying. I screamed. Reporter Vivian Collins watched from about 100 feet away. If it had fallen sideways i would have been crushed. Reporter bob ganleys car took a direct hit. It almost split in half from the roof, drivers side, straight down. C reporter the massive crane split an entire block of cars nearly in half. The collapse killed 38yearold david wiches. Investigators say the crane, which had been in place since last saturday, was being moved due to high winds from the earlymorning snowstorm. Cbs news learned, big crane services, the company that owns the crane, has been cited four times for safety violations since 2011. Yesterday and declared it safe. Collins said residents weresa concerned the crane wasnt secure. You have been complaining about this for quite some time. We have been complaining about this, yes. We filed a complaint with the city on sunday. Reporter scott, from 2006 2014 there have been 228 fatalities due to crane accidents. Pelley Demarco Morgan in Lower Manhattan tonight. Demarco, thank you. Taiwan has been hit by a magnitude 6. 4 earthquake, and one highrise Apartment Building in the city of tainan has partially collapsed. Rescuers scrambled to pull people out. Theres no word yet on whether anyone was killed. There are reports that water and gas mains have broken. In syria, the tide may be turning for the assad dictatorship after five years of civil war. We were struck by these new images from syria. It once had as many people as philadelphia, and now there are only ghosts. It is hard to spot a single building that isnt shattered. Now to the north of homs, with the help of continuous russian airstrikes, the assad dictatorship is advancing on the city of aleppo, the main rebel stronghold. It was once syrias largest city, and assad may have it surrounded in a matter of days. So tonight, thousands of Syrian Refugees are streaming out of aleppo in a march toward turkey, and Holly Williams is there. Holly . Reporter scott, the Syrian Regime launched a new offensive around aleppo this week, backed by russian airstrikes. Its thought that tens of thousands of people have fled the intense fighting, and up to 20,000 people are already massed on the turkish border, according to the u. N. , though so far they havent been allowed across. Rebel groups have told us that but also control of the main supply route linking aleppo with turkey. That sparked fears that the regime could surround the entire city, laying siege to areas held by the rebels and trapping civilians. Now, russia began launching airstrikes in syria in september, and its helped Government Forces to capture several strategically key towns. But taking full control of aleppo, which was a city of more than two Million People before this war began, would be a much bigger prize for the Syrian Regime and also for its russian backers. Pelley the assad dictatorship making significant gains on the battle field for the first time in years. Holly williams, in istanbul for us tonight. Holly, thank you. Now, one of collegef basketballs winningest programs has just benched itself for the post season. Jim axelrod reports on whats behind the drastic action by the university of louisville. A coach, twice a national champion, rick pitino and his louisville cardinals are now mired in a sex scandal that will leave the team sidelined for the post season. Ive had my share of crying and didnt want to go through it anymore, but this is certainly a night of of extreme pain. Reporter the ban was imposed by the schools president. This is a decision thats as harsh as anything ive seen. Reporter in a book published last october, an escort named Katina Powell claimed a basketball staffer named andre mcgee paid her and other strippers 10,000 to throw parties that included having sex with players and recruits. Louisville got the results of their own investigation yesterday. This is a team that is very much favored to go very far in the tournament, so this penalty is quite substantial, much more it comes with complete reporter pitino has consistently denied knowing anything about the parties where the recruits and players were allegedly entertained by the strippers. The escort has said, with recruits, loud music, alcohol, security, and cameras in a campus dorm, how could he not know . Pelley jim axelrod tonight. Jim, thank you very much. Coming up next, a family was held hostage at gunpoint. It was absolutely terrifying. Pelley but then, they helped catch a modern bonnie and clyde, when the cbs evening news continues. Continues. I am his guardian. I am his voice. 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Reporter are you okay . Am i okay . No. laughs no. Im not okay. Reporter April Gunnells husband ian called in the tip that led police to Blake Fitzgerald and his girlfriend, Escambia County florida deputies shot and killed fitzgerald, who the sheriff said used his girlfriend as a shield against bullets, but authorities insist she volunteered in the couples sixday crime spree from mississippi to florida, allegedly robbing, carjacking, and Holding People hostage over six days. Last night, they were caught on surveillance camera, right before gunnell says fitzgerald kicked down his door. They were telling us why they were here. Yeah. Which was they were on then run, in trouble, needed somewhere to stay right now. Reporter they had abandoned a vehicle near your house. Right. Reporter so theyre in your house, holding you hostage and the police are driving around. Yes. Reporter and theyre watching it. And theyre waiting for a break to go. Reporter april was in the room with the couples twoyear old daughter madeline. Did you think they were going to hurt you and your daughter . Yes, of course, i did. I did. Of course. You know, somebody comes in withe. A gun, in your house. Gunnells say they were held hostage by these suspects. At one point they even used the couples phones. We heard those conversations. It was really hard. They said goodbye to their families. Reporter shortly thereafter, this socalled modern day bonnie and clyde, fled in the gunnells truck. Within 10 minutes, a sheriffs deputy spotted them. Do you feel hate toward them . No. Reporter or sorrow . I dont feel hatred. I feel sorrow. Reporter that female suspect, brittany harper, was taken to this pensacola hospital behind me with gunshot wounds. But, scott, Authorities Say her injuries are not life threatening. Pelley david begnaud, thanks. Still ahead, Steve Hartman on the road, but up next, watching over the fans at super bowl 50. 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Pelley as the broncos and the panthers finalize their game plans for super bowl 50, Law Enforcement is doing the same, and they havent forgotten that one target of isis in paris last with the president of france among the fans. Two men securing the super bowl talked to our michelle miller. Reporter in the rampup to sundays super bowl, the f. A. A. Has banned consumer drones, part of a 50agency crackdown marshaled by Homeland Security secretary jeh johnson. Is there a credible threat against the super bowl . We know of no specific, credible threat directed at the super bowl. Reporter still, super bowl security is at a nearlockdown level. Wn license plates on cars crossing bridges are recorded, the cargo in every truck entering the stadium is scanned. On game day, the skies over levi stadium will be a nofly zone, but all week, customs and Border Protection black hawk choppers have had the San Francisco bay area under surveillance. John pirdy is in command. We can put eyes on anyone within a 30 nautical mile radius in a pretty short amount of time. Reporter but after all of that, secretary johnson says the may themselves be the best defense. If you see something, say something. Reporter has it worked . I believe it has. Reporter the f. B. I. Is staging six secret locations in and around levi stadium, scott, all to protect the 70,000 fans expected on game day. Pelley michelle, thanks. When a super bowl coach claimed he had no story to tell, it was game on for Steve Hartman. Next. Theres only one egg that just tastes better. Fresher. More flavorful. Delicious. With more great nutrition. And 25 less saturated fat. Only egglands best. Better taste. Better nutrition. The microsoft cloud allows us to access information from anywhere. The microsoft cloud allows us to scale up. Microsoft cloud changes our world dramatically. And analyze a genome. Now, we can do a hundred per day. With the microsoft cloud we dont have to build server rooms. 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If you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop taking cialis and get medical help right away. Ask your doctor about cialis and a 200 savings card schools. 8 news now examines the governors action to get more teachers in our classrooms next at 6. Pelley finally tonight, a super bowl coach gave Steve Hartman a look inside his playbook for whatever life throws at you. Panthers special teams coach Bruce Dehaven has been deflecting. Im just going to refrain from answering a whole lot of questions about all that. Reporter telling reporter this is not a story. Reporter after reporter im not the story. Reporter that there are more important things to talk about than him. But in the one interview he did sit down for this week, i learned Bruce Dehaven knows a lot more about what it takes to win at football than what makes an important story. Well, in terms of whats happened to me, if ive only got a limited amount of time left, why would i want to spend it feeling sorry for myself . Reporter last spring, at the age of 66, bruce was diagnosed with an incurable form of prostate cancer. Obviously, that diagnosis would have driven many people into retirement, but not bruce. In the end, i wanted to coach, and reporter why does coaching win out . I just love coaching. I mean, for whatever reason, its in my blood. I mean, ill probably cry after this ballgame just because were not going to have another week of practice. Reporter in fact, he loves practice so much, he actually scheduled his cancer treatments around it, never missed a single day of work all season. Some guys got to work for a living, dont they . Yeah . I find myself lingering after practice, thinking about, i want to make a little picture here in my mind in case im not doing this soon. Reporter he knows this could be his last year. And given that perspective, youd think the super bowls itself wouldnt matter as much, but dont talk to bruce about the prospect of losing. I wouldnt even want to think about that. Reporter youre telling me it still matters, the game still matters, who wins or loses . Were in the same position. None of us is going to get out of this thing alive. Reporter and if you can get out with a super bowl ring, all the better. That is way better, yeah. Reporter as youve probably figured out by now, bruce is and nicest guys in the n. F. L. Players like wide receiver corey brown adore him. Hes like a grandpa to me. Hes a guy that i care about. Reporter the difference is, this season everybody has been going out of their way to tell him that. When lou gehrig said, i feel like im the luckiest guy in the world, i can understand what he meant. You just have no idea how youve touched people sometimes, and if it hadnt been for this, maybe i would never have known this. Reporter so says the man with no story to tell. Steve hartman, on the road, in San Francisco. Pelley and thats the cbs evening news for tonight. For all of us at cbs news all around the world, im scott pelley. Captioning sponsored by cbs captioned by access. Wgbh. Orgbreaking news from 8 news now. Dave Courvoisier happening right now. Metro police are investigating a homicide in the southwest valley. Thanks for joining us. Im Dave Courvoisier. Paula Francis and im Paula Francis. Police havent released many details as of right now. Heres what we do know. Metro says they were called to a home at Mountains Edge and cimarron road just before 4 this afternoon. Dave Courvoisier two people were reportedly hurt. One shot and one stabbed. One of those victims has died. Paula Francis no word yet on what led up to the deadly confrontation. Or whether any arrests have been made. But this is domestic related. And there is no danger to the public because there are no outstanding suspects. Well keep you updated on air and online. At las vegas now dot com.