Bin laden is long gone, and today the head of the f. B. I. Said that when it comes to threats to america, al qaeda has been surpassed by another terror group, isis. Heres chip reid. Isil is not your parents al qaeda. Reporter f. B. I. Director james comey told the Aspen Security Forum that the reason isis, also called isil, has surpassed al qaeda as a danger to the u. S. , is because it has mastered twitter and other social media. With al qaeda if you wanted to consume their propaganda, you had to go find it somewhere on the web. Reporter but with isis. If you want to talk the a terrorist, theyre right there on twitter direct messaging to communicate with. Reporter elliot zweig is with the middle east Media Research institute. The way that isis does it is it puts out a message among several accounts, but that message is then picked up and distributed and redistributed and reredistributed. In the way of crowd source, it sees thousands and tens of thousands and hundreds of thousands in an audience in almost a blink of an eye. The isil tweeters in syria have hundreds of thousands of followsers. Hundreds probably thousands of those are in the united states. Reporter theyre telling people, come to syria and fight or kill where you are. Comey also says the f. B. I. Disruptedded a number of attacks planned for july 4th and Police Killed recently two isis attackers in texas and one in boston. The f. B. I. Is also investigating hundreds of isis follow centers all 50 states, but comey says the groups social media expertise makes keeping track of potential suspects challenging. Our investigators often lose them because they move to a mobile messaging app that is encrypted end to end. Reporter comey says what worries him most of all is isis use of social media has blossomed in the past six to eight weeks. Charlie, he says he worries all day long about the possibility that that could cause a significant increase in the number of attacks. Rose thanks, chip. Turkey has been reluctant to join the Coalition Fighting isis but today in what is being called a game changer turkey gave the u. S. Permission to use a base in that country to carry out air strikes against isis in syria. The Turkish Military also scrambled its own fighter jets in response to increasing violence at the syrian border. Holly williams is in istanbul. Holly . Reporter well, charlie this switch in turk yess position comes in a week in which syrias civil war spilled violently across the countrys border. On monday a suicide bomber killed more than 30 people in a turkish town close to the border, and a Government Official here told us that he was linked to isis. Then today the Turkish Military said that five isis gunmen opened fire on a Turkish Border post, killing one soldier, so its possible that turkey fears that its losing control of its border and has therefore allowed the u. S. To begin using its air base to strike isis. Also today turkey announced that it is building a new wall along sections of its border, presumably to try to stem the flow of foreign fighters into syria. Rose Holly Williams in istanbul. Thanks, holly. The body of Lance Corporal skip wells arrived home in georgia today. He was gunned down a week ago along with three other marines and a sailor at a reserve center in chattanooga. Service members lined the road to pay their respects as the hearse passed by. Wells was 21. Hell be laid to rest this weekend. A stub been wildfire in montana is interrupting vacation plans at Glacier National park. Since tuesday at least 4,000 acres have burned, forcing hundreds to evacuate camp grounds and hotels. No one has been hurt. Another wildfire is burning in Northern California near napa valley wine country. Ben tracy is there. Reporter massive lines of flames chewed up the rugged hillside, fanned by 15 to 20mph winds. The fire created what looked like a thundercloud of smoke. Animals in this rural area fled the flames, which sneaked up on christina hafner. I saw a red glow. About another 40 minutes later it was up and over the ridge and headed straight toward us. Reporter investigators believe the wildfire began with a fire from a car crash on a nearby highway wednesday afternoon. We got to go back down. Reporter it quickly spread from 25 acres to 6000 in just a few hours. But an allout aerial bombardment and 1,300 firefighters on the ground dramatically slowed the flames. A nearby lake has allowed waterdropping helicopters to fill up faster and drop their 324gallon payload. Cal fires joe fletcher says theyre watching nearby vegetation dried out by drought. This is bonedry. Is the concern that an ember could start all of this . One reason the road is still closed is as the fire continues to burn, the wind is carrying embers as far away as this road. Reporter there are at least 20 large wildfires now burning in the west. In montanas Glacier National park flames have torn through the dry mountains forcing one family to quickly escape. Oh, my gosh. Go. Go now. Go fast. Dad, go reporter here in california, there is a lot of scorched earth but you can hear those helicopters above. Thats part of why firefighters feel like they are getting handle on this fire. Charlie, the good news is so far there have not been any injuries and no homes have been lost. Rose thanks, ben. Now we go to the president ial race. Republican donald trump, who has made a big issue out of illegal immigration from mexico, paid a visit to the border today. But it did not go exactly as planned. Nancy cordes was with him in texas. Reporter trump landed in laredo and said he was putting his personal safety aside to see the border up close. People are saying, oh, its so dangerous what youre doing mr. Trump, its so dangerous what youre doing. I have to do it. I have to do it. Reporter but his visit didnt last long. A pit stop at a Border Crossing office followed by a press conference under a tent outside. Have you seen any evidence here to confirm your fears about mexico sending its criminals across the border . Yes, i have, and ive heard it. And ive heard it from a lot of different people. Reporter but he declined to share any details. Well be showing you the evidence. Reporter when . How. Reporter and laredos city manager canned trumps proposal to build a wall along the border. We dont think thats necessary at this time. Reporter trumps trip was supposed to involve a tour from leaders of the local Border Patrol union, but they backed out after trump implied they were going to endorse him. Because ive been invited by the Border Patrol. They want to honor me actually. Reporter in a statement the Regional Union office said trumps inflammatory statements about illegal immigration have become a distraction that we cannot afford to have on the border. So trump had to make due with some quick handshakes and a photo op with local Law Enforcement officers, and then he was safely back on his plane three hours after he arrived. Before he came here, the g. O. P. Frontrunner joked repeatedly that he might not live to return to new york city but at no point did his life appear to be in any danger. In fact, charlie the murder rate here in laredo, texas is significantly lower than the one in his home town. Rose thanks, unanimous similar today a texas prosecutor said an autopsy points to suicide in the death of a woman found hanging in her jail cell. Omar villafranca is following the investigation. Reporter the autopsy pictures show Sandra Blands back and this image of her left forearm with multiple scars and scabs. Waller county assistant District Attorney warren depraam. These roughly 30 cut marks were both in a state of scarring and scabbing, indicating that they may have been placed on her body roughly two to four weeks prior to her incarceration. Reporter this photo shows scrapes on blands back. Doctors say they could have occurred during her arrest. Some images are too graphic to show, but this closeup of her neck appears to show a clean line consistent with a suicide. The cause of death was hanging. The manner of death was a suicide. The evidence that weve reviewed up to this pilot supports those findings. Reporter investigators also revealed that preliminary toxicology reports show bland had marijuana in her system at the time of her death. It may be relevant as to her state of mind to determine what happened on the street. It may be relevant to her state of mind to determine how or why she committed suicide. Im in my car. I dont have to put out my cigarette. You can step on out now. Reporter bland was arrested in waller county, texas, on july 10th after a traffic stop escalated into an argument. Get out of the car. I will light you up. Reporter in jail bland admitted to authorities she once tried to kill herself with pill, but blands family insists she wasnt suicidal or depressed. She did sound frustrated with n a voice mail she left for a friend shortly after her arrest. They have me a 5,000 bond. Im still at a loss for words honestly about this whole process. How does switching lanes with no signal turn into all of this . I dont know. Reporter cbs news hasnt independently confirmed it is her voice, but the person who received the message believes it is bland. The District Attorneys office says the bland family wants to conduct an independent autopsy but, charlie the family has not released any details. Rose thanks, omar. A cbs News New York times poll out tonight finds most americans believe Race Relations in this country are bad. More than half of whites think so, and more than twothirds of blacks. Even more troubling, 40 of blacks and whites believe Race Relations are getting worse and this may be one reason our poll found big majorities, 60 of whites and 71 of blacks, believe most americans are uncomfortable discussing race with someone of another race. Tonight Elaine Quijano tells us about a group that is helping blacks and whites break down the racial wall by breaking bread together. Reporter it starts out like any other dinner party. Thank you, thank you. This is great. I appreciate that. Reporter but then a difficult conversation begins. Blacks dont trust white people by in large. I dont have any black friends, a couple of acquaintances, but i never had them in our home, never been in their home. Reporter they call themselves chattanooga connected, a group of blacks and whites that meet once a month to have dinner and talk openly about race. We are different. Yes but when i first came to the group, i was a little skeptical at first. I grew up in a very white neighborhood. We are segregated by every facet of our lives. They didnt want to have anything to do with me. She mar raid black man. Reporter they were brought together by 75yearold Franklin Mccallie a son of privilege whose family name is seen everywhere in this town. He says he was raised to believe in the souths segregationist order. Did you used to use the n word . Ive used the n word and ive told some n jokes. They were less. They lived in less homes. They got off the street. They said so to me as a young man. Reporter but in college a conversation with a student from a nearby African American school changed everything. He said, we fought in world war ii for freedom and justice and the pursuit of happiness. We leave, we get on a bus we ride two miles out of town to eat lunch because none of the stores we shop in will let us eat. Reporter does it ever get uncomfortable, these discussions here . I think its liberating because it was so free for the first time in my life to have a black man tell me what it really felt like to be Walking Around in a Grocery Store or a mini mart and have the owner of a mini mart follow him around up and down the aisles because he didnt trust him. I never thought about that. Reporter how does Something Like this even begin to chip away at some of the other barriers that African Americans face . If it all stops at this house, it wont do that much more. Its got to go other places. Reporter finally seeing people by talking face to face. Elaine quijano, cbs news, chattanooga, tennessee. Rose horrible truths. Today secretary of state john kerry came face to face with senators, hoping to sell them on the nuclear deal with iran. The iranians have agreed to limit their Nuclear Program in exchange for lifting economic sanctions. But one republican senator told kerry he had been fleeced. Another said the secretary had been bamboozled. Senator marco rubio was at that hearing today. The republican president ial contender, the leading opponent of the iran deal, and we will talk to him tomorrow on cbs this morning. Theres a warning tonight about furniture that can tip over and kill children. A train collides with a limo. It is caught on camera. And bison a bull and a big cat roam the streets when the cbs evening news continues. When i started at the shelter, i noticed benny right away. I just had to adopt him. Hes older so he needs my help all day. 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Reporter twoyearold curren collas had beautiful blue eyes and a sweet laugh. [laughing] in february 2014, curren died when an ikea dresser felled on him. Alan feldman represents the Collas Family in a civil lawsuit against ikea. It is long past the time when Companies Like ikea address this problem. Reporter curren was the second reported death in 2014, making it a total of five known deaths related to this dresser. Many times its just not the parents fault. Reporter elliot kaye is chairman of the Consumer Products safety commission. Its the one to six year old is curious and mobile enough to move around and has the strength to pull himself up. Unfortunately the unit comes down on them. Reporter every year Emergency Rooms see an average of 38,000 tipover injuries, including tvs and furniture inch a span of two years 360 children died from tipovers. Theres that risk calculation of i have to attend to Something Else extremely important sometimes its another child and thats unfortunately when this can happen, which is why we want consumers to anchor these products when they can. Reporter in a statement ikea says they are committed to helping raise the awareness of this serious home safety issue. Ikea is providing customers with anchoring kits to prevent these types of accidents but the cpse says thats not enough. Charlie, they actually want the Furniture Industry to make changes to all of their furniture design. Rose thank you. Nasa makes a big discovery. A close relative of earth next. Cbs news honored with 44 emmy nominations, including the outstanding breaking News Coverage of the cbs evening news with scott pelley. When heartburn comes creeping up on you. Fight back with relief so smooth. Its fast. Tums smoothies starts dissolving the instant it touches your tongue. And neutralizes stomach acid at the source. Tum, tum tum tum. 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Stelara® may increase your risk of cancer. Always tell your doctor if you have any sign of infection have had cancer, or if you develop any new skin growths. Do not take stelara® if you are allergic to stelara® or any of its ingredients. Alert your doctor of new or worsening problems including headaches, seizures, confusion and vision problems. These may be signs of a rare potentially fatal brain condition. Serious allergic reactions can occur. Tell your doctor if you or anyone in your house needs or has recently received a vaccine. In a medical study most stelara® patients saw at least 75 clearer skin and the majority were rated as cleared or minimal at 12 weeks. Stelara® helps keep my skin clearer. Ask your doctor about stelara®. Rose nasa said today the kepler space telescope has found a planet that could be earths cousin. Its a little bigger and older than earth but it orbits in the socalled goldilocks zone around its sun an area thats not too hot and not too cold to support life, but we will not be visiting kepler 452b any time soon, it is 1400 light years away. New videos released today showing a Freight Train slamming into a limousine that got stuck at a crossing. It happened last week in elk heart, indiana. The limousine was filled with teenagers celebrating a birthday. Everybody jumped out before the crash. No one was hurt. Wild animals have been on the loose this week in a number of residential areas around the country. Two bison escaped from a farm in indiana yesterday, but they were rounded up today. A bull wandered on to a campus at Texas State University yesterday. It was later caught. And sightings of a cat the size of a lion has people in milwaukee on edge. Last night someone shot a dog thinking it was the cat. Were told the dog is okay. And that brings us to mayflies in love. 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You know what thats like. But they only have 72 hours to find it. Adriana diaz now on mayflies and the ultimate in speed dating. Reporter its summer on the mississippi, and the mayflies are back. Shoo, mayfly shoo, shoo reporter once a year, these inchlong insects emerge from rivers and lakes en masse. Theyre like a tornado. A tornado of flies . Yeah. Reporter and like a tornado, the swarms are so large they can be tracked on radar. Though they dont bite or sting may flies can still elicit terror. Some river towns even turn off their street lamps to keep the lightloving bugs at bay. Thats because mayflies drop dead after an exhausting 24hour mating frenzy, leaving piles that can make driving treacherous. As overwhelming as these may flies can be they actually bring some welcome news in a messy package. Its kind of a celebration for biologists. Reporter kent johnson says the flies spend most of their lives at the river bottom and need clean water to survive. Theyre indicators of excellent water quality. We can only spot check it once in a while and make some assumptions. Reporter so these may flies are like a cheat sheet . They are a cheat sheet. Reporter with his shopvac professor Jerry Hastert is collecting may flies to reintroduce them to green bay, wisconsin, where theyve disappeared because of polluted water. He says the tourism and sports fishing businesses would flourish. Possibly 250 million a year could be added to the economy because of these mayflies. Reporter the professor believes green bays water is now clean enough and hopes a mayfly hatch there next summer will prove it. Adriana diaz, cbs news, lake city, minnesota. Rose lets hear it for mayflies. That is the cbs evening news. For scott pelley in new york, im charlie rose. Thanks for joining us. We hope youll watch cbs this morning first thing tomorrow morning. Good night. Captioning sponsored by cbs captioned by Media Access Group at wgbh access. Wgbh. Org oh my gosh, its the guy from last night. What . can i jump on your wifi . Yeah, you can try it. Hey i had a really good time last night. Yeah, me too. The only thing is that. The only thing is what . Whats the only thing . Oh my gosh hes married. Hes a kleptomaniac. Hes a pyromaniac. Hes a total maniac. Hey hey go back to your wife you sociopath leave slow internet behind. The 100 Fiber Optics Network is here. Get out of the past. Get fios. Now 79. 99 a month. Go online or call now. Call the Verizon Center for customers with disabilities at 800. 974. 6006 tty v Beverly Hills housewife kim richards first interview out of rehab. Heres what she said really happened the night she got drunk and busted at the night of the Beverly Hills hotel. Did you try to kick a Police Officer in the groin . I dont know. Maybe i did. Her vodka fueled night ending in jail, relapsing at her daughters wedding. Looked on the ground and there were like, two little margaritas. Will she ever return to the housewives and what she really thinks of the ladies. Shes phony. Then Blake Sheltons ring off. His First Sighting as mrnt hits the stage. Plus, a reality tv star and view guest found dead and her boyfriend arrested. I was crying. Also, around the world with tom, leo, clooney and the new unauthorized bever