Pelley americas twoyear war against isis has not reduced its terrorism capability or its global reach. That was the conclusion today of the head of the cia. John brennan told the Senate Intelligence committee, the Orlando Attack was inspired by isiss online propaganda, but the cia has found no direct links between the group and gunman omar mateen. Today in britain, a pleb of parliament was shot and stabbed to death. 41yearold jo cox was an outspoken campaigner for britain to remain in the european union. That has been a heated debate that goes to a vote next week. A suspect is in custody but the motive is unclear. Jonathan vigliotti is following this. Reporter police tackled the gunman. Coxs purse and shoes were left lying in the street. British media quoted witnesses that claimed that the mayor shouting britain first. Others say cox got caught between mayer and the other man. I saw him pull the gun out. Fired one shot. Reporter police would only say cox was shot and stabbed as she was wrapping up a meeting with stitch went. She leaves behind a husband and two small children. Her murder comes on the homestretch of a Bitter Campaign on whether britain should remain in the european union. Both sides suspended their campaigns today. Elected to Parliament Last year, the former aid worker was an outspoken advocate of immigration. I would ask whether he thinks he has led Public Opinion or followed it. Reporter her husband brandon believes she was targeted for her politics. We all must fight against the hatred that killed her, he wrote. Police arent saying anything about a possible motive. Mayers brother said he did have a history of mental illness. The flags here fly at halfstaff. Pelley Jonathan Vigliotti in london tonight. Jonathan, thank you. Well, it was a year ago today that donald trump entered the president ial race. Now, just over a month before the Republican Convention opens, there is a growing resist between the supporters of the standard bearer and the rest of the party. Heres nancy cordes. Look. Were going to agree to disagree on some things. Reporter the latest disagreement is over trumps decision to add the Washington Post to the latest media who are banned from attending his briefings. I dont know a lot about it. I dont know a lot about it. I hope and a ssume this will get worked out. Has it so far . Whos with the post . Is debonis here . Reporter he was there. Dont talk, please. Be quiet. Just be quiet. Either stick together or let me just do it by myself. Im going to do well. Im going to do very well. Ok . You cant make this up sometimes. Reporter the family crisis is deepening, marylands republican governor says he cant vote for trump. Richard armitage said hes vote for clinton. And veteran michigan congressman fred upton told a Radio Station he wont endorse the nominee. It seems to us that the train is off the track. Reporter trump spent part of his oneyear anniversary at a dc law firm being deposed in a 10 million suit against a chef who backed out of their partnership over trumps comments about mexicans. Protesters were waiting outside. Trump does not discriminate when it comes to news outlets. He has blackballed the right leaning National Review and the left leaning mother jonestrump argues that the paper is phony and dishonest. Pelley nancy cordes up on capitol hill for us. Nancy, thank you. Today an autopsy confirmed that 2yearold lane graves of elk horn, nebraska, died of traumatic injuries and drowning after an alligator snatched him from his parents at a disney row sort in orlando tuesday night. Mark strassman was there. Reporter the alligator attack that killed lane graves is hardly the first time park visitors have ebb countered alligators ers. San diego lawyer david hiden took his family to disneyworld. His son waded calf deep into a lagoon behind their hotel. I looked and i said, oh, my got, thats an alligator. Reporter hi reporter he grabbed his son to safety and spotted another alligator nearby. Cornado springs resort. A year earlier hiden said he warned a hotel manager, even showing her a photo he took of one of the gators. Her response, i couldnt leave it. It was those will resident pets and theyre harmless. Theyre not going to attack anybody. Reporter this is the seven seas lagoon where the little boy died. There were no warning signs about alligators, but disney says its reviewing the fact that there were no warning signs. Disney said the review will be swift and thorough and include the number, placement and wording of our signage. Lane graves was the first alligator fatality in disneyworlds 45year history. David hiden still remembers what he told his disney Hotel Managers after his sons close call. I said i hope im wrong, but at some point, i bet im going to read about you guys or one of your resident pets killed somebody and i hope to god that never happens because its going to be on your shoulders. Reporter wild life officials still dont know if theyve caught the alligator that killed lane graves. In a statement, his family said words cannot express the grief our family is experiencing. Any parent can relate, scott. Its so unbelievable. Pelley mark strassman, thanks. Hundreds of people have been forced from their homes in santa barbara, california. Firefighters are unagainst high winds and dry brush. A fire in eastern arizona started yesterday near the town of sholough. Coming up next, how quickly can you guy an Assault Rifle . And after a tragic loss, the navys dare devils have returned to the sky. What are you doing . Sara, i love you, and. [phone rings] ah, its my brother. Keep going. Sara, will you marry. [phone rings again] what do you want, todd . . . . 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Ral and when i know shes into it, i get into it and. Feel the difference with ky ultragel. Pelley none of the killers in Mass Shootings of recent years had any trouble obtaining their weapons. In most states buying guns is quick and easy, as kris van cleave shows us. Reporter the orlando nightclub shootings have restarted the debate on guns, particularly the Assault Rifles. In virginia, the law to buy one is pretty straightforward. I have to pass an often very quick background check and pay for your purchase. In virginia where the shootings killed 32 people, there is no waiting period for a fire arm. Even a socalled Assault Rifle similar to those used in orlando and san bernardino. We sent a cbs news producer into a gun store in alexandra, just outside washington, d. C. Id like to buy an ar15. Reporter per virginia law she provided two documents. She filled out these federal and state forms requiring her name, date of birth, Social Security number and a few basic questions about any past criminal activity or current restraining orders and she passed a brief Electronics Background check. It took 28 minutes. Did it go through . Yes. Reporter all told, it took 1,030 to walk out with the gun. You can go into a gun store and buy an ar15 in most places. Reporter four states and washington, d. C. Impose a waiting period on all firearms ranging from 10 days in california and d. C. So 24 hours for long guns in illinois. Minnesota requires a weeklong wait for hand guns and assault weapons. Generally hand guns are subject to more extensive commercial sale restrictions. Hand guns are used far more often to commits crimes. A patch work quilt of gun laws is destined to be ineffective. Miguel angel anarato. Gun control supporters recalled their murdering 49 people. What would be more productive than waiting periods, background checks would be to get rid of the gunfree zones where this dirt bag operated in orlando. Reporter larry pratt from gun owners of america wants new fewer laws restricting gun ownership. We want it to the good guys can react immediately. To have to call the police and wait five minutes, ten minutes is is to wait to die. Reporter as for the rifle we legally purchased, it was trvrd to a federally licensed fire arm dealer and weapons instructor in virginia following the state law virginia following state law within hours of us purchasing the weapon. Pelley kris van cleave for us. 6 pelley today philadelphia became the first major city in t United States with a soda tax. One and a half cents an ounce on sugary drinks, including do it diet soda. The idea is to steer people away from fat thing in drinks. Todays searchers record the cockpit voice recorder from egyptair flight 804. The airbus a320 spiraled into the mediterranean last month in route from paris to cairo. 66 were killed. The recorder should have taped the conversation of the pilots, a flight data recorder that captures aircraft performance has not been found. Today the blue angels soars once again through the blue skies of pensacola florida. It was their first training run since marine captain jeff cuss was killed in a crash in tennessee two weeks ago. Their next show is a week from saturday in vero beach, florida. Well be right back. Pelley we were reminded today of how many times in recent years a president has been called on to play the role of americas pastor. To lead the nation in prayer for victims of a deadly attack. Bill clinton, after oklahoma city, george w. Bush after september 11, and the massacre at virginia tech. But president obama has done it most of all. 14 times, including fort hood, texas. Newtown, connecticut, charleston, south carolina, and now orlando, florida where 49 died. In his player today, mr. Obama asked god to comfort the families, heal the wounded, bring solace to those whose hearts have been broken and give us resolve to do whats necessary to reduce hatred in the world. Thats the overnight news for this friday. For some of you, the news continues. For others, check back later for the morning news and for cbs this morning. From Broadcast Center in new york city, im scott pelley. In a scene thats become all too familiar, president obama tried again to console those mourning a mass shooting, the worst one in u. S. History. The president made a lowkey visit to orlando where 49 people were gunned down in cold blood at a nightclub. He and Vice President joe biden laid white roses at a memorial to the victims and sat for hours with survivors and families of those killed. Mr. Obama spoke with bliss and ambulance cruise and the hospital workers who helped save the lives of the 53 people wounded that night. After the worst of humanity, the best of humanity came roaring back. If were honest with ourselves, if, in fact, we want to show the best of our humanity, were all going to have to Work Together at every level of government, across political lines to do more to stop killers who want to terrorize us. We will continue to be relentless against terrorist groups like isil and al qaeda. We are going to destroy them. We are going to disrupt their networks and their financing and the flow of fighters in and out of war theaters. Were going to disrupt their propaganda that poisons so many minds around the world. Were going to do all that. Our resolve is clear. But gichbl the fact that the last two attacks were on our soil, orlando and san bernardino, were homegrown, carried out, it appears, not by external plotters, not by vast networks or sophisticated cells but by deranged individuals warped by the hateful propaganda that they had seen over the internet, then were going to have to do more to prevent these kinds of events from occurring. Its going to take more than just our military. Its going to require more than just our intelligence teams. As good as they are, as dedicate ed as they are, as focused as they are, if you have lone wolf attacks like this hatched in the minds of a disturbed person, then were going to have to take different kinds of steps in order to prevent Something Like this from happening. Those who were killed and injured here were gunned down by a single killer with a powerful assault weapon. The motives of this killer may have been different than the mass shooters in aurora or newtown, but the instruments of death were so similar. And now another 49 innocent people are dead. Another 53 are injured. Some are still fighting for their lives. Some will have wounds that will last a lifetime. We cant anticipate or catch every single deranged person that may wish to do harm to his neighbors or friends or coworkers or strangers. But we can do something about the amount of damage that they do. Unfortunately, our politics have conspired to make it as easy as possible for a terrorist or just a disturbed individual like those in aurora and newtown to buy extraordinarily powerful weapons and they can do so legally. So today, once again, as has been true too many times before, i held and hugged grieving family members and parents and they asked why does this keep happening . And they pleaded that we do more to stop the carnage. They dont care about the politics. Neither do i. Neither does joe. And neither should any parent out here. Whos thinking about their kids being not in the wrong place, but in places where kids are supposed to be. This debate needs to change. Its outgrown the old political stalemates. The notion that the answer to this tragedy would be to make sure that more people in a nightclub are similarly armed to the killer defies common sense. Those who defend the easy accessibility of assault weapons should meet these families and explain why that makes sense. They should meet with the newtown families, some of whom joe saw yesterday, whose children would now be finishing fifth grade on why it is we think our liberties requires these repeated tragedies. Thats not the meaning of liberty. Im pleased to hear that the senate will hold votes on preventing individuals with possible terrorist ties from buying guns, including assault weapons. I truly hope that senators rise to the moment and do the right thing. I hope that senators who voted no on background checks after newtown have a change of heart. Then i hope the house does the right thing and helps end the playing of violence that these weapons of war inflict on so many young lives. Ive said this before. We will not be able to stop every tragedy. We cant wipe away hatred and evil from every heart in this world, but we can stop some tragedies. We can save some lives. We can reduce the impact of a terrorist attack if were smart. Unfortunately our politics have conspired to make it as easy as possible for a terrorist or just a disturbed individual like those in aurora and newtown to buy extraordinarily powerful weapons, and they can do so legally. The massacre in orlando has renewed the nationwide debate over gun control. No other developed nation embraces firearms the way ours does. And gun rights advocates insist its always been that way. Lee cowan has a look back at the history of ghuns in america for sunday morning. Reporter aboard the good ship may flower, not a single gun was known to survive. But they were probably there, accompanying the pilgrims to preliminary of the rock. Guns are so we haven into our history. On the fourth floor of the Smithsonians National museum of american history, they have their very own vault. Im sure theres people that would give anything to come in here and see these things, right . Yes, lots of visitors who are astounded and dont want to leave. Reporter david miller is curator here. Hes got guns of all sizes, shapes and cal bers. That ones probably from russia. Reporter and every one has a reason to be here. This would have been the type that would have been at lexington of concord. The plus ket is in every history book, coming to symbolize freedom. Even in the musical hamilton. Guns are just part of our every day language. Going off half cocked, flash in the pan, bite the bullet. Theyre youll rooted in firearms lore. But were we born a gun loving country . She says not necessarily. How many sentences begin with Something Like americans have always loved guns, theyve always had guns. These things are much more complicated than that. The meanings of guns have changed. Reporter she says most settlers viewed the gun as a tool thats necessary and yet as ordinary as a plow or an ax. We think we have a gun culture because of the special status of guns. Really, commercially, the gun was unexceptional. It was treated like any other commodity. We have loose air war we didnt have enough guns. Today, however, its estimated we have more guns than people. How did we get from there to here . And here. The gun industry is not the only reason that we got here. However, it is the reason it never gets talked about. Reporter its not just a matter of salesmanship but gun industrialists like Oliver Winchester and samuel colt did their level best to create a market for their wares. Out of their connecticut factories, theyd produce guns with the same speed and efficiency as henry ford would later do with the automobile. Best known, the winchester 73 and the Colt Single Action Army rover, two of the guns that won the west. But as the frontier disappeared so did the desire of Many Americans to own a gun. These guns werent selling themselves. They werent flying off the shelf. Reporter so by the 20th century, gun makers began to marked their wares not just as a tool but a feeling. There was a strong appeal to the young, too. And the notion of a gun as a riot of passage. One of the advertisements said, you know your boy wants a gun. He cant tell you its beyond words. Reporter there were catalogs full of them. Immortalized in the christmas classic. The red rider, two shot range rider air rifle. Reporter it imitated the iconic rifles of the west. From real life legends from wild bill hicock, wyatter to hollywood stars like john wayne and jimmy stewart. Guns came to represent the rugged individualists of the untamed west. As the good guys and the bad guys changed, so did the guns. Say hello to my new friend reporter some became as famous as the stars who fired them. Go ahead. Make my day. Reporter we do take our guns seriously. Owning them is a constitutional right. But weve also tried to legislate how to control them. Americans have always had mixed feelings about guns. So for as much as the gun slingers are part of our heritage, so, too, is disquiet and discomfort with guns. Reporter even in the supposed wild west, towns like tombstone and dodge city, prohibited people from carrying guns in public. Fdr signed the First Federal gun control legislation in 1934, hoping to reduce the number of boot legging gangsters with tommy guns and the like. Then the next three decades. President kennedy died at 1 00 p. M. Reporter John F Kennedy along with Robert Kennedy an Martin Luther king jr. Led president Lyndon Johnson to push through legislation. We have been through much anguish. Reporter too much anguish for back then but what about now . Today there seems to be an alarming sameness to our gun violence. From a Colorado High School to a tuscon parking lot to a Movie Theater in aurora and a grade school in newtown. These incidents dont decrease gun sales. Instead, gun sales tend to go up. U. S. Gun makers produced nearly 11 million firearms in the year after sandy hook. Not far from there in hartford, connecticut, sits a church built by samuel colts widow. It stands as a unique symbol of just where guns sit in our culture today. Because mixed in with the angels and the saints, youll find her husbands firearms as art, hidden at the top of the churchs columns. Maybe thats the place guns will always occupy. Worshipped by many, their presence carved in stone. Moisture so i can get into it ao enhance mbit quicker. Ral and when i know shes into it, i get into it and. 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An autopsy showed the boy drown from died from drowning and traumatic injuries. Mark strassman has the latest. Reporter 16 hours into their search dive teams found the body of the little boy on wednesday in murky water in the area of where he was snatched by the alligator. No doubt in my mind that the alligator drown him. Reporter lane graves had been wading in about a foot of what are you the alligator dragged him under. Of course the family was distraught but also i believe somewhat released that we were able to find their son with his body intact. Reporter disney closed all the parks beaches while search teams scoured the lagoon. Its man made and sprawling, covering about 200 acres. Parts of the lagoon are 14 feet deep and feed into a series of canals that wind through the disney property. A lot of canals and ponds and a lot of lakes that interconnect all the way through the disney property. It wouldnt be unusual at all for alligators to be moving from one body of water to the next. This is one of the most aggressive times of the year, from now until august. Reporter we found some signs inside the park warning visitors against feeding the alligators, but at the lagoon where lane graves was killed there are no swimming signs but no warnings about alligators, despite the fact that disney has had to remove gators from the property in the past. In a statement disney said we are devastated and heart broken by this tragic accident and are doing what we can to help the family during this difficult time. Wild life officials are examining the bite marks of five alligators theyve captured and euthanized to see if theyve caught the one responsible for killing the little boy. Were going to be certain that we have the alligator that killed the little boy and that we move it from the lake. About 15 people have been killed by alligators in florida in the past 20 years. Omar villafranca has a closer look at these animals and what might prompt them to kill a person in the first place. He spoke with experts at the east texas gator and wild life park at grand saline. Reporter there are signs like this all around the farm warning people to use common sense but also to watch out for their children. Experts say these animals have the unique combination of power and strength. Theres an alligator here. Hes about five feet long. He may look calm now but they can reach speeds of 20 miles an hour in water and on land. That powerful tail can thrust almost their entire body out of the water. In the wild, alligators eat once every three to five days. Here we feed them twice a day every day. Reporter Charley Harris takes care of 41 alligators at his east texas gator ranch. All these gators were caught living too close to humans. Including this 13foot giant. Some alligators are migrating from the country. American alligators live in waters all along the gulf coast from texas to florida, even in oak and arkansas and as far north as north carolina. Last month police captured this alligator lurking near a dallas middle school. In spurn houston, cops has to lasso this yearly sixfoot alligator found in the middle of the road. It rolled me around under the water. Reporter Rachel Lillian knows the terror. She lost her arm in an alligator attack last year while swimming in a river 20 miles north of orlando. She was rescued by two people in a nearby kayak. I realized i have only one arm and that was that was devastating. They are more active at night. They do most of their feeding at night. Reporter harris said alligators are dangerous because of the way they hide and hunt. How well do they hide in water . They can disappear like ghosts. They are opportunist eaters. They can wait for hours and hours until something comes along close enough that they can snatch it up. Reporter in florida since 1948 there have been 384 unprovoked alligator attacks but deaths are rare. It was another day on the witness stand for led deputilys guitarist jimmy page. Carter evans is outside the studio where stairway to heaven was recorded. He testified hed never heard of the song hes accused of stealing. Stairway has generated an estimated 550 million over the years. At stake, a piece of that pie and perhaps a rock n roll legacy. The opening zeppelin stairway to heaven are among rock musics most recognizable. But some say they recognize the similarity to this song. Spirit. The guitarist, randy california, who died in 1997 claimed led zeppelin ripped off his now iconic riff, but he never sued. Now 45 years after stairways release led zeppelin s robert plant and jimmy page are facing a lawsuit filed by the late guitarists estate. This trial is a big one, because it takes on one of the most iconic songs in all of rock music history, stairway to heaven. Stairway came out in 1971, but a surviving member of spirit testified they played their song at a 1968 concert where led zeppelin was the opening act. But on the stand, page said he heard torres for the first time recently. Something like that would stick in my mind, he testified. It was totally alien to me. He said he had not heard that song until two years ago. He change his mind . Look, thats for the jury to decide. I think that or something called he conveniently misremembering many facts, but perhaps he doesnt remember those things that happened, but i think the jury might think h see it differently. The lines have been blurred in music copyright law ever since the multimillion dollar judgment against robin thicke and fa rel williams. Accused of ripping off marvin gayes got to give it up. Still proving in court that stairway to heaven was stolen might be an uphill climb. And it makes me wonder. 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 cbs this morning. From the Broadcast Center in new york, good night. Captioning funded by cbs its friday, june 17th, 2016. This is the cbs morning news. Five days after the orlando terror attack, investigators are getting a look at new video from inside the pulse nightclub, and theyre getting closer to the gunmans wife who may have been in contact with the killer during the massacre. And more than 50 u. S. Diplomats come out against president obamas strategy in syria, accusing president obama of ignoring assads attacks and blasting what they called five years of failed policies. Bernie sanders addresses supporters saying hell help