This is your skin. This is your skin in the sun. The sun ages your skin and can cause skin cancer. Tonight federal investigators are in the town of panhandle, texas, trying to find out why two Freight Trains were on the same track speeding towards each other according to one eyewitness the crash that followed shook the ground beneath her feet. Heres kris van cleave. Reporter just after 20 this morning, two bnsf Freight Trains collided headon. The locomotives driving the two trains caught fire sending huge plumes of black smoke over panhandle texas outside of amarillo. Each Freight Train had an engineer and conductor on board. One person was transported by ems to the Northwest Texas Hospital in amarillo. We still have three people unaccounted for. Unfortunately we do fear that they may still be trapped in the train at this time. Reporter investigators say no Hazardous Material or crude oil was inside any of the cars that derailed. The fire was sparked by the diesel used to fuel the locomotives. Bnsf acknowledges this is the type of crash that would be prevented by positive train control if it had been active. That Safety Technology can automatically stop a train before a collision. The deadline to install it is 2020. Between 200 and 300 nearby residents were told to stay inside because of the smoke. Charlie, bnsf brought in its own firefighters and special foam to fight that fire. Thank you, kris. Today, volkswagen agreed to pay one of the largest Class Action Settlements in u. S. History. About 15 billion. Most will go to owners who bought socalled clean diesel cars. Turns out v. W. Designed them to cheat on emissions test. Demarco morgan reports. Good morning, everyone. Reporter u. S. Deputy attorney general sally yates called the proposed settlement the first step to holding volkswagen accountable. And. One of the most flagrant violations of our countrys consumer and environmental laws in our countrys history. Cars in the u. S. Were equipped with defeat devices a software that allowed them to cheat Environmental Standards tests. But once on the road, the reality was just the opposite. Hundreds of thousands of those cars sold in this country were in fact pumping illegal levels of nitrogen oxides into our amosphere. Up to 40 times the amount permitted by federal law. Reporter the pro posed settlement applies to 2. 0 liter vehicles, the beetle, golf, jetta, passat, audi a 3 from 2009 to 2015. V. W. Will spend 10 billion to buy back cars, terminate leases or modify affected vehicles. Auto maker agrees to pay 4. 7 billion for pollution reduction projects. The ceo, said we still have a great deal of work to do to earn back the trust of the american people. Volkswagen may Face Criminal Charges from the d. O. J. For violating the clean air act. Charlie. Thank you, demarco. Awe we have a list of the volkswagen models affected by this at cbsnews. Com. Hall of fame College Basketball coach, pat summitt, died today at 64. Her career was cut short by alzheimers disease. In 38 seasons, summitt won eight National Titles and 1,098 games. More than any other coach, male or female. Dana jacobson of cbs sports looks back. Right there reporter few coaches of any gender in any sport were as intense as pat summitt. 3 second. Somebody count reporter vocal for sure. She could just as easily send shudders through a player without saying a word. That was on the good days. What happens when i lose . You dont want to be around me. Reporter summitt was cocaptain of the silver medal olympic team. Graduate assistant at tennessee when the head coach suddenly quit, and summitt was handed the job at age of 22. I didnt know what i was doing. I just got through it. Reporter back then, summitt made 250 a month and held donut sales to buy uniforms. She had to fight for funding but eventually built tennessee into a powerhouse. Won her first ncaa title 13 years in and transformed Womens Basketball in the process. Her graduation rate, 100 . Played a lot of the teams. Reporter the coach of the university of connecticut was her archrival. She had the foresight and the vision and intensity level. And she made it like, hey, it is okay for women to stare you down on the sideline and, and be upset, and show emotion. Reporter at the age of 59, summitt was diagnosed with early onset dementia. Some times, it is like, why me . Then i said, well, we have got to deal with it. Reporter in 2012, summitt retired, established an Alzheimers Research foundation and awarded president ial medal of freedom. Beyond all the awards and all the titles she said being coach was its own reward. It is a challenge, but what great rewards when you see little girls become young women. Reporter along with her 00 graduation rate, charlie, pat summitt coached 14 olympians and sent 34 to the wnba. Thank you, a remarkable, courageous woman. In a letter to one of her players, pat summitt once wrote winning is not the point. Wanting to win is the point. Not giving up is the point. Manuel bojorkas has more from knoxville, tennessee. Reporter at the foot of pat summitts statue at the university of tennessee, dozens of visitors left flowers, balloons and notes. One reading simply the best. We love you. Coach stand here and pass over. Reporter here in the volunteer state, no one left a bigger footprint on or off the court. Rachel roberts says she grew up idolizing coach summit who taught all little girls valuable life lessons. To never give of on your dreams and whatever you set out to do, do it with everything you have got. Reporter that was the lesson Shelley Collier learned playing for coach summitt for four years. In 1987 she helped the lady volunteers win their First National championship. We werent the best or most talented team in the country that year. But we were on a mission. We were on a mission to win that championship for pat. Reporter collier coaches girls basketball, and mom of four girls who play basketball. When she was talking, she had your attention. She wanted to instill in us that, you know one of these days we have to got to go for a job interview. You have got to be able to look people in the eye. And have confidence in yourself. She gave her players confidence and inspiration to those who never met her. Some peoples heroes wear capes, mine wore a whistle. [ laughter ] summit had one son, tyler who said his mother battled alzheimers like she battled on the court. The family will hold a private funeral but the university of tennessee is planning a Public Memorial Service soon. Charlie. Thank you, manuel. Coming up next, faceoff in brussels europe reacts to britains divorce plan. Ikea recalls millions of dangerous dressers after six children were killed. This pimples gonna last forever. Aw comon. Clearasil ultra works fast to begin visibly clearing up skin in as little as 12 hours. And acne wont last forever. Just like your mom wont walk in on you. Forever. Lets be clear. Clearasil works fast. Today you can do everything in just one click, even keep your toilet clean and fresh. Introducing lysol click gel. Click it in to enjoy clean freshness with every flush. Lysol. Start healthing. Yeah, click donald trump ripped into Americas Free trade deals today calling them job killers that have wiped out the middleclass. Speaking at an aluminum warehouse trump said if elected president he would rip up the deals and start over. Stocks made a comeback on wall street today. The dow gained 269 points. As anxiety over britains divorce from europe eased. At least on this side of the world the leaders of the 28 eu nations met today in brussels. Mark phillips reports, it did not go well. Reporter David Cameron arrived at the brussels meeting trying to make nice. We mustnt turn our back on europe these countries are our neighbors, our friends. Reporter friendliness was not in the air in the european parliament. Nastiness was. Now i know, i know that virtually none of you have ever done a proper job in your lives. Nigel farage, had won the referendum battle and was telling those bothersome europeans what he really thought of them. I am really surprised you are here. Eu Commission President , Jean Claude Juncker returned the favor. The british people voted in favor [ indiscernible ] reporter farage was here to gloat and be unrepentant. Reporter are you telling people you would rather they were poor er and out of the e. U. Than in the eu and richer. I say that i used to work in them. Reporter it appears to be happening. Its not happening. Reporter it is, and the european leaders trying to stop market volatility ending the uncertainty the market hates. If britain is going to go, they say, it should go now. Not wait for David Camerons successor to be chosen in the fall as the the british want. The family photo, a ritual at these meetings was of a broken family. Tomorrow, the eu leaders will meet to discuss their negotiating strategy for britains exit and theyre promising to be tough t the dinner tonight charlie is called David Camerons and britains last supper. Well done, mark. Thanks. Well be right back. Today ikea recalled 29 million dressers blamed for causing the deaths of at least six children. The dressers can tip if theyre not attached to a wall. The Consumer ProductSafety Commission used a child sized model to show how it could happen. Ikea is offering free wall mounting kits, customers can also ask for a refund. Next, the race to save one of natures most majestic creatures. Now, a mission of mercy. Crews are desperate to free a blue whale tangled up in fishing lines. Mireya villarreal joined the mission. Reporter rescuers were out again hoping to untangle the 80 foot blue whale. Fishing lines and gear wrapped around the animal just a few miles from shore. Captain dave andersons crew was the first to spot it near dana point. Is going to saw into that whales flukes, excruciating pain for that whale. Reporter captain andersen says if the lines arent cut the whale cant eat and may have 30 days to live. This is the actual knife attached to a 30foot pole that rescue crews used to try to save the whale. They made several attempts before he took off on them, agitated with the situation. You guys were so close . We were inches away from it. And i can tell you that it was just gutwrenching. Reporter Justin Viezbicke is coordinating the rescue. Since the blue whale is endangered this is a critical mission. The fact we got to work on it is rare and provides challenges. The first time we are working on the species. Reporter viezbicke said it is a growing problem. Last year 39 confirmed reports of entangled whales. This year there are already 40 sightings. There is not a lot of blue whales out there. We cant afford to be losing any of them. Reporter thats why rescue crews arent giving of until this blue whale is free. Mireya villarreal, cbs news, dana point, california. Thats the overnight news for this wednesday. 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 city, im charlie rose. Announcer this is the cbs overnight news. Welome to the overnight news. Leaders of the 28 nation European Union continue their emergency meetings in brussels on the heels of britains vote to leave. It was all smiles and handshakes for the eu family photo, but that didnt last long. Leaders of germany, france and italy want the political divorce to get under way immediately. But Outgoing BritishPrime MinisterDavid Cameron wants to leave that to his successor. Meanwhile, cameron was disinvited to todays talks. Mark phillips reports from brusselss. Reporter well the brexit battle moved to brussels and a new level of vitriol, if the hope this would be a civil, polite divorce. It hasnt started that way. Fresh from his humiliating appearance in parliament yesterday, a chastened David Cameron who comes to brussels to meet with eu leaders he promised if they made concessions with britain on how tightly it would have to follow the e. U. Rules he could deliver a stay in vote. He was wrong. As Jean Claude Juncker showed he is not very happy with the brexiters at all. The british people voted on exit reporter there was plenty of anger to go around including from brexit campaigner, nigel farage. I know that virtually none of you have ever done a proper job in your lives. Reporter cameron says it is up to britain to call in the lawyers and start divorce, article 50 of the e. U. Treaty. The British Government will not be triggering article 50 at this stage. Before that we need to determine the kind of relationship we want with the e. U. Rightly something for the next Prime Minister and their cabinet to decide. Reporter and the next Prime Minister, boris johnson, the current frontrunner is stalling. The leave side doesnt seem to have to worked out the playbook for its drive to departure. Anyway it takes two to tango. And european leaders like Angela Merkel and Francois Hollande have their own reason to streak up the divorce music. The wave of populist e. U. Movement that spread from britain to countries has taken heart from the u. K. Decision. The e. U. Establishment does not want to encourage them offering britain a quick, easy sweetheart deal. There is no, nofault divorce here. And there is a lot more at stake here than who gets the record collection. Access to the e. U. s tarifffree Single Market comes with strings. Particularly the provision for the Free Movement of labor across borders. And a promise to control its own immigration was at the heart of the leave campaigns pitch in britain. As with any separating couple, the desire for an amicable divorce really survives the first shot across the negotiating table. This is a twoday meeting thats been organized here and David Cameron uninvited from the second day. After two years and 7 million, the House Committee on benghazi issued its report. And Hillary Clinton is breathing a sigh of relief. Clinton was secretary of state at the time of the terror attack in libya that left four americans dead. But the investigation found no new evidence that she did anything wrong. The investigation concluded that u. S. Military forces stationed in europe could never have gotten to libya in time to stop the assault. But the committee was harshly critical of the pentagon, cia, and the state department, for leaving u. S. Personnel unprotected. Clinton is anxious to get the whole matter behind her and concentrate on the fall campaign. She rolled out a potential runningmate this week. Massachusetts senator Elizabeth Warren. Nancy cordes reports. One joint Campaign Event with clinton was enough off to put Elizabeth Warren in the gop cross hairs. You want to see goofy . Reporter the senator and donald trump have been trading insults for weeks. Monday, he called a sellout for backing clinton who she once criticized as too close to wall street. She has taken money from the groups and more to the point, she worries about them as a constituency. Trump also brought up as he has before, warrens past claims that she is part native american. Pocahontas. This time he told nbc news that warren made up her heritage which i think is racist. I think she is a racist. Former massachusetts senator scott brown, who was defeated by warren in 2012, said she should take a dna test to clear up the controversy. And called her appearance with clinton uncomfortable. Hillary has brains, she has guts, she has thick skin. Warren is one of Many Democrats vetted for vp. A source familiar with the process tells cbs news she is one of the clinton campaigns top picks. I do just love to see how she gets under Donald Trumps thin skin. Reporter cincinnati social worker, sue buenavites loved the idea of an all female ticket. Yes, why not . I believe in girl power. Teacher wanda brown wasnt getting her hopes up. I dont think america is ready for two women on the same ticket. I dont believe it. Are you ready for it . I am. Been ready a long time. Reporter clinton said in a speech yesterday that she understand the polls show she has a trust problem. She says she has tried to figure out why that is and address it. But clearly things like the benghazi crisis and her email practices have contributed to it. For the republicans, donald trump is dialing back his proposal to block all foreign muslims from entering the United States. Now, trump wants to block muslims from what his campaign describes as terroristseeking nations. Major garrett reports. Reporter last december we all remember donald trump pro posed a blanket ban on muslim immigration until congress could, figure out what the hell is going on. Faced with sagging poll numbers and on session to the ban, the question for trump now is what is happening to that ban . So would a muslim coming from scotland, great britain, have you tweaked your policy on that . That is a far cry from the comments in december. Donald j. Trump is calling for a total, complete shutdown of muslims entering the United States. Reporter donald trump faced immediate criticism from gop rivals. I do not agree with his proposal. We dont need more division and everybody who is a muslim isnt some terrorist obviously. Trump stuck to the ban and staggering political effect. I talked about the muslim. We have a tremendous problem. I said we have to study it and see. Reporter two weeks ago in a major Foreign Policy speech, trump dropped explicit references to banning muslim immigration and substituted vague antiterrorism language. I will suspend immigration from areas of the world where there is a proven history of terrorism against the United States. Trump moderated the policy even more a week later. Threatens peaceful muslims across the middle east and the world. Reporter National Polls show half of general election voters oppose trumps original plan. All this leaves the impression trump is retreating and its unclear. Trump loyalists offer few clues. It is a change if you knew what the ban was. He is concerned of muslims from terrorist seeking nations. Reporter Trumps Campaign is calling his plan a ban on immigration from terror nations. Trump is also saying he wants to exclude people who have bad thoughts. The cbs overnight news will be right back. Condolences rolling in from across the nation and around the world after the death of legendary College Basketball coach pat summitt. She passed away yesterday at age 64 after battling early on set dementia. The winningest coach in division i College Basketball history. Her university of tennessee teams won nearly 1,100 games over 3 seasons, eight National Titles and appeared in 18 final fours. Dana jacobson has more of summitts life and legacy. Pat summitt was given the head coaching job at tennessee just 22 years old, making 250 a month. By 2006, she was the first Million Dollar coach in womens College Basketball. The legacy she leaves behind is priceless. Hey reporter like any good head coach pat summitt was quick to reprimand a ref. Or motivate a player with her words. But often times she was more effective not with the word she used, but the look she gave. Three second summitts competitive fire led to 9,000 career wins and 8,000 championships and made her an unparalleled champion. In 2012, president obama awarded summitt, the president ial medal of freedom. When a doctor told pat summitt suffered from dementia. She almost punched him. When a second doctor advised her to retire. She responded do you know who you are dealing with here . You have to want this game. Reporter summitt turned the lady vols into a juggernaut. Pushed Womens Basketball on the National Stage and elevated the popularity of womens sports. She led her teams to more victories than any coach to ever walk the sidelines. More than dukes coach, and john wooden. But her impact on the game was undeniable even to her fiercest rival, uconn head coach, gino oreama. She had the foresight, vision, intensity level. She made it. Hey, it is okay for women to stare you down on the sideline and be upset and show emotion. The basketball floor at tennessee now bears her name as does a plaza across the street. I want everybody to know how much i appreciate whats happened here today. And i dont think i will ever forget it. And i love you all. Thank you. Reporter in 1998, charlie rose asked summit what motivated her. Tell me what it is about coaching that so turns you on and seems to be the thing that you were put here to do . The thing that i like so much about coaching is that i got to teach on a daily basis, i get to influence, i get to listen. Our new head coach, holly warlick. Reporter in 2012, a year after diagnosed with early on set dementia, summitt stepped down as head coach. She spoke with lesley visser. At first i didnt want to think about it. But its, its, its been something very good for me. How . Just putting things out there. You know, not hiding anything. And you know, i think that thats the best way to go. Reporter with her retirement, pat summitt dedicated her life to fighting alzheimers through her foundation. The disease may have forced her out of the game, but within it her legacy lives on. Any words of wisdom . I think these young ladies know exactly what to do. Yes, yes they do. The summer olympics in rio get under way in five weeks. And there are still major problems from construction delays to political upheaval to the zika virus. Now you can add another potential landmine the doping control lab for the games has been shut down. Ben tracy got a look inside before the lock was put on the door. Reporter this is rios brand new 66 million doping control lab. Will these machines be running 24 hours a day during the olympics . 24 7. Reporter Francisco Radler the labs director. Eager to show it off earlier this month, touting technology. How sophisticated is this doping lab . One can say it is the most sophisticated of every lab. Which is something that has for the olympic games. Reporter now two weeks after we interviewed him the lab has been shut down. The World Antidoping Agency, or wada made that stunning decision six weeks before the games begin. Saying it was due to nonconformity with the International Standard for laboratories. Wada will not provide any details on what exactly was wrong. It is a problem to have the lab being suspended less than two months before the games. But will be a bigger blow to have a lab in the games thats not technically perfect. Reporter doping control labs world wild are under increased scrutiny after the World Antidoping Agency published a report, accusing russia of an elaborate governmentrun doping Program Including infiltrating the lab at sochi to help athletes cheat. Russias track field team has been banned from competing in the rio games. If this lab is not reopened in time for the olympics, what kind of impact will that have on the games . If it is truly is not reopened. It is a disaster. Don catlan ran doping control labs at salt lake city, atlanta olympics. If the rio lab remains closed samples will be flown daily new a lab in the United States or europe. Rios lab was expected to process 6,000 samples during the three weeks of the games. Nobody wants to do this. It is a real pain in the neck. Reporter even if this lab is back up and running, does it call into question their results when the games begin . Unfortunately it does. Rios lab was also shuttle down before the 2014 world cup. But that was due in part to obsolete equipment which has since been replaced. In a statement the lab said, it asserts its excellency as well as ethics and technical capacity. But for now this once lauded lab is idle, another black eye for rio before the olympic caldron is lit. Ben tracy, rio. Garden party for her birthday. A fabulous so i mowed the lawn, put up all the decorations. I thought i got everything. 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Nasa conducted the final test of its massive new deep space rocket. The space launch system, or s. L. S. Said to be the biggest, most powerful rocket booster ever built. The s. L. S. Is designed to take astronauts to the moon, asteroids and eventually mars. The two minute ignition was final test drive for the rocket scheduled to lift off in 201, propelling the orion capsule into deep space. Before astronauts are sent to mars, nasa will have to find a way to feed them. It sent them to the desert to cook up a solution. Reporter this vast plain with dunes and centuries of unforgiving wind and little rain is mars on earth. The desert in southern peru is harsh, arid, as close as gets on our blue planet to the red one next door. Scientists are trying to unearth the recipe for farming on mars. Hauling two tons of sun baked soil to their cosmic kitchen a trip that takes two days. You brought back a lot of dirt from the desert. Reporter this dirt is the ingredient in a Ground Breaking test taking place in lima, peru. The very first experiments we are doing. We dont know how it will work out. Jan cruzy is head chef at International Potato center. Yes, potato. Can you grow potatoes on a planet that died 2 billion years ago. Yes. I got to figure out a way to grow three years worth of food here. On a planet where nothing grows. Reporter matt damon sure pulled it off in 2015 movie the martian after accidentally being stranded and with dwindling supplies, damons character, a botanist, figures out how to grow potatoes on mars. In your face, neil armstrong. Cruzzy thinks poe day tees have the right stuff to grow on the inhospitable martian surface. Why did you think potatoes of all things would be a good fit . Potatoes are extremely versatile, dry conditions, cold conditions where it reaches minus 20 at night. You can grow it from, like here in the tropics, all the way to above the polar circle. Reporter you are saying potatoes are resilient . Yes they are very resilient. So they, you can grow them almost anywhere. Reporter almost is the key word. This is the soil from la jolla desert. Dont have anything coming up here. Reporter what does that mean . Well it probably means the soil is not ideal for potato. If you see the soil, almost like, it is very dusty, almost like a cement. So, when we, we water it becomes very compact. And it might be a problem for the seeds to push through that, get oxygen and things like that. Reporter when we visited the lima green house last month potato seeds planted in ideal earthly soil sprouted. But after two weeks, the seeds in the martian like dirt failed to break through. The scientists found the seeds didnt have room to breathe. And the dirt was simply too salty. So theyll give the next batch of seed more space by loosening up the soil, as well as drying other varieties of tubers that dont mind a little extra salt in their diet. Its trial and error. Trial and error, why we are doing the experiments. They have a lot of options their center is home to the largest gene bank of potatoes. 4,000 varieties of potatoes and 8,000 types of sweet potatoes. Researchers selected 65 for the mars experiment. Dr. Julio valdiva silva envisions domed climate controlled green houses on mars, possibly even robots arriving before humans to begin planting. He says shipping potatoes or any longterm food supply with the astronauts is not viable. It is too expensive. Too expensive. One kilogram is about 10,000 dollars. In march, nasa tested the mars rocket. The space agency launched a program to land humans there in 15 years. A confident elon musk thinks his space x startup can do it in half the time with the new falcon heavy rocket. Should be able to launch people in 2024 with arrival in 2025. The entrepreneur told the Washington Post this month his ultimate goal is a self sustaining city on mars. And for that, musks martians will need food. Later this summer, cruzy and his team will try growing poe day tees in chambers that simulate the harsh atmosphere. If the potatoes can survive that then they are hardy spuds. They are hardy spuds, yeah. He also shared a confession. When he was a kid he really wanted to grow up to be an astronaut. He may not have reached the heavens. His research could provide it to millions on earth where drought and Climate Change imperils so many. Not just about mars . No, not just about mars. We have more earthly goals in mind. It seems like a big challenge . It is a big challenge. But it is not impossible. There is an air Traffic Controller in traverse, michigan who has an online following. His name is piper. And he doesnt even own a computer. Kris van cleave has the story. I dont think there is any denying it. He has the cool factor down to a tee. Reporter easy to spot why in these pictures, piper the airport canine has a global following on social media. The 8yearold Border Collie sits tight with the coast guard hovering only feet away. Or, as the blue angels taxi by. But those goggles and ear guard he is wearing arent just a photo op, he is on the job. Piper protects aircraft at the Traverse City, michigan, airport from birds and wildlife. Here he hones in on geese near the main run way and they take off. Bird strikes can be catastrophic, but often lead to costly repairs and forced landings. Piper has been on the job two years, have you noticed a difference . Coast guard Lieutenant CommanderCharlie Wilson is one of pipers big fans. Quite honestly. Been to a number of airports. Shotgun, blanks, birds get used to it. A sound. Nothing will happen. When you deploy a dog, chases after them. They have fight or flight instinct they run and remember that. Brian edwards is pipers partner. What is the best part of having piper here with you every day . Get to work with my best friend every day. Brian had piper for three years. Despite not being previously trained, it only took this old dog, about a year to get comfortable on the tarmac. The airport is his home. Edwards idea to post pictures on instagram. Piper has 10,000 more followers than Traverse City has residents. That is nothing to shake a stick at. Honestly would rather you throw it. Kris van cleave, cbs news, Traverse City, michigan. Captioning funded by cbs its wednesday, june 29th, 2016. This is the cbs morning news. Terror in turkey. Three suicide bombers unleash an attack at a packed airport, killing dozens and wounding many more. The deadly details and a look at why this is becoming too common in turkey. After two years and 7 million, the Benghazi Committee finds no new bomb shells against Hillary Clinton but plenty of criticism for the u. S. Military for its handling of the deadly attack. A tourist delivers a monumental performance at the lincoln memorial, bringing