Curiosity. A 50yearold man an in a sixyearold body. This is the cbs evening news with scott pelley. Pelley retired general Michael Flynn, President Trumps First National security adviser, is now the target of five investigations into his ties with russia. The latest was opened by the Inspector General of the defense department, investigating whether flynn, before he joined the administration, took money from a Foreign Government without the required approval. The president fired flynn for lying to Vice President pence about contacts that he had with russias u. S. Ambassador. Today, a top House Democrat released documents that could spell legal trouble for flynn, and heres our justice correspondent jeff pegues. But we have no evidence, not a shred, that he disclosed his payments. Reporter elijah cummings, the top democrat on the House Oversight committee, said the documents released today, showed retired Lieutenant GeneralMichael Flynn may have broken the law by making a 2015 trip to moscow where he was paid nearly 34,000 to speak and was photographed at a dinner with russian president vladimir putin. The first document, a letter from october 2014, was sent from the Defense Intelligence agency, or d. I. A. , to flynn, shortly before his military retirement. It informed flynn, who once ran the d. I. A. , that the receipt of consulting fees from a Foreign Government was prohibited without advance approval. The pentagons warning to general flegeneral flynn was bo, italicized and could not have been clearer. Reporter but the second letter from the d. I. A. , to the house committee, said it found no record of flynn seeking permission. In a statement today, flynns attorney insisted flynn gave documents to the d. I. A. , and briefed the agency, both before and after the trip. Flynn has also offered to testify in exchange for immunity, but so far, congress has not called him. Flip was fired as President Trumps National Security adviser after just 24 days for lying to the Vice President about his contacts with Russian Ambassador sergey kislyak. The Vice President was also in charge of the trump transition and would have overseen the vetting of general flynn. Today, White House PressSecretary Sean Spicer brushed off questions about the thoroughness of that process. But all of that clearance was was made by the during the obama administration, and, apparently, with knowledge of the trip that he took. Reporter as National Security adviser, flynn had access to the countrys most sensitive secrets, which is one reason why congress is so concerned. Scott, the failure to disclose the foreign payments towld result in up to five years in prison. Pelley jeff pegues for us in the washington newsroom. Today, under pressure from the neighbors, the president backed off his threat to scrap the north American Free trade agreement, opting instead to renegotiate it. Major garrett is at the white house. Well, i was going to terminate nafta as of two or three days from now. Reporter but President Trump will not pull the u. S. Out of the 24yearold Free Trade Agreement with canada and mexico, only try to negotiate a better deal. Last night, mr. Trump spoke with mexican president Enrique Pena Nieto and canadian Prime Minister justin trudeau. I like them very much. I respect their countries very much. The relationship is very special, and i said i will hold on determination. Lets see if we can make it a fair deal. Reporter the calls came after the administration floated a draft executive order that would have withdrawn the u. S. From nafta immediately. Canada is americas number two trading partner. Mexico is third. Combined, the two account for more than 29 of all u. S. Trade. Do you have a time frame in mind for the nafta negotiation, any deadline . It will start very soon. Reporter renegotiation is a long process that will eventually require congressional approval. Candidate trump branded nafta a failure and made this promise a signature of his campaign all i can tell you is that nafta is a disaster. What difference does it make . We will fix nafta, or well term 98 it and start all over again. Reporter today, Prime Minister trudeau warned the president against acting irrationally. A disruption like cancelling nafta, even if it theoretically eventually might lead to better outcomes, would cause a lot of short and mediumterm pain. Reporter 10 years ago, the u. S. Trade deficit with calendar ran about 70 billion. Last year, only 11 billion. Scott, it appears Big Companies in both canada and mexico have concluded that on nafta, the president was mostly bluffing and that tough trade talks are weeks if not months away. Pelley Major Garrett at the white house. We turn now from major to minors, coal miners, watching to see whether the president keeps his promises. Heres jim axelrod. Reporter theyre worried about a lot of things in the coal mines of western pennsylvania, but how the president is doing at 100 days just isnt one of them. Rome wasnt built in a day, you know. Its a process. You have to see how things go. Its only been 100 days. Reporter Brian Thompson has 20 years in the mines, tim hroblak, 39, before retiring five years ago. And i love the miners, and were going to put the minors back to work, okay. Reporter the candidate who spoke so forcefully about saving their jobs. And for those miners, get ready because qur going to be working your asses off. Reporter . Is a president whose support here remains strong. The protests and low poll numbers just not a problem thats just noise to you. I mean, that kind of stuff wont keep me up at night. If i lose my Health Insurance, that will keep me up at night. Reporter Health Insurance that is where some real cracks are forming. The federal fund that guarantees union miners their Health Insurance and pension benefits will soon be empty. If nothing is done by sunday, 22,000 retired miners and their families could lose those health benefits. Do you feel like the president he let us down. Reporter that the president has yet to fix this has miners tony burnsak and Randy Kasunic reconsidering their support. Hes promised in this area, west virginia, kentucky, ohio, that he would take care of the coal miners. He took care of the coal companies, okay, but he hasnt done nothing for the miners yet. You hear a little bit of, you know, whats going on in congress, but as far as trump, hes pretty much been silent. applause reporter and if mr. Trump doesnt deliver for them soon, they maw stop delivering for him. We supported him. Now its time for him to support us. This is a lifeanddeath issue. This isnt, like you know so i can go buy a new fishing boat. No, this is life and death. Reporter today, the president blamed the democrats for the holdup, and while no one is making any promises, the miners best chance may lie in being included in the funding extension congress is expected topaz to keep the government running. Pelley jim axelrod as we continue to listen to the voters. Jim, thanks very much. And we have this reminder for you. John dickerson will be interviewing the president on his first 100 days for this sundays face the nation. And then on monday, cbs this morning will air live from the white house. Today, two u. S. Army rangers were killed in eastern afghanistan during a raid on islamic militants linked to isis. Neither has been identified. David martin has more. Reporter the firefight took place just south of this isis cave complex where earlier this month, the u. S. Dropped the largest nonnuclear bomb it has ever used in combat. This video taken by local Afghan Police represents the first confirmed pictures of the destruction caused by the 23,000pound massive ordnance airblast bomb. U. S. Officials refused to release any estimate of the number of isis fighters killed, but say anyone above ground or hiding in the caves when the bomb hit is now dead. American officers who inspected the site reported no evidence of civilian casualties. Just a short distance south in the same valley close to afghanistans border with pakistan, several senior isis leaders were hiding out in a compound. When American Special operations forces, along with afghan commandos, conducted a Helicopter Assault on the compound, two u. S. Army rangers were killed, and a third soldier wounded in a firefight which lasted about an hour. They were the second and third American Service men to die in combat in afghanistan this year. The first, special forces Sergeant Mark de alencar, was killed when isis fighters popped out of a cave and ambushed his unit. In this latest raid, several isis fighters were also killed. The u. S. Military is still trying to confirm whether they got the Senior Leaders they were after. Scott. Pelley david martin at the pentagon, thanks. The president called his new tax cut plan the biggest in history. So we were curious about wall streets reaction. We synchronized the white house announcement yesterday with the dao, and you might have thought, as they talked up the tax cuts for business, the index would shoot up, but it fell, bounced back, and then fell again, perhaps because the president s plan was just a single page of bullet points with no details on how it would work and no buyin, in congress. After sleeping on it, the dao was essentially flat today. President trump will mark his 100th day on saturday with no legislative victories to speak of. Nancy cordes is looking at efforts to breathe life into a Health Care Bill. Yeah, im a yes. Reporter the new measure meant to cater to conservatives has create misgivings for g. O. P. Moderates. I have not decide. Reporter . Who worry about what it could mean for the sick. Floridas Mario Diaz Balart look, ive got to talk to the state, i have to talk to the governor. I have to make sure this is something that is workable. Reporter the amendment would allow states to opt out of obamacares minimum coverage requirements, which could lead to cheaper premiums for the healthy, but would let insurers raise rates on those with preexisting conditions. States that opt out would have to establish special highrisk pools for people who get priced out of the market. They work, and now that were going to be adding federal funding to it, theyll work even better, and youll be able to lower prices even more. Reporter so can you reassure people with reexisting conditions that they wont be worse off under your plan . People will better off. Reporter democratic leader Chuck Schumer go look at these highrisk pools. Theyve closed down in state after state. They are usually so, so dispens expens they have no one can afford health care. Its a fig leaf. Reporter Republican Leaders have not given up hope entirely that they might be able to pass this new Health Care Bill by the weekend. But at this point, scott, there are still too many members of their own party who are either undecided or oppose it. Pelley nancy cordes on capitol hill, thank you. Still ahead on the cbs evening news, a settlement and big changes after that ugly incident on united. And look out, sheldon cooper. Here comes nate butkas, a science wizz kid making a big bang on line. Transactions,e smallest financial by sensing cyberattacks in near real time and automatically deploying countermeasures. Keeping the world of business connected and protected. Thats the power of and. Whfight back fastts, with tums smoothies. It starts dissolving the instant it touches your tongue. And neutralizes stomach acid at the source. Tum tum tum tum smoothies only from tums essential for him, but maybe not for people with rheumatoid arthritis. Because there are options. Like an unjection™. Xeljanz xr. A once daily pill for adults with moderate to severe ra for whom methotrexate did not work well. Xeljanz xr can reduce pain, swelling and joint damage, even without methotrexate. Xeljanz xr can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma and other cancers have happened. Dont start xeljanz xr if you have an infection. Tears in the stomach or intestines, low blood cell counts and higher liver tests and cholesterol levels have happened. Your doctor should perform blood tests before you start and while taking xeljanz xr, and monitor certain liver tests. Tell your doctor if you were in a region where fungal infections are common and if you have had tb, hepatitis b or c, or are prone to infections. Needles. Fine for some. But for you, one pill a day may provide symptom relief. Ask your doctor about xeljanz xr. An unjection™. Pelley today, United Airlines reached a settlement with dr. David dao who was violently dragged off a plane in chicago. The amount is confidential. Daos lawyer wrote, dr. Dao has become the unintended champion for the adoption of changes which will certainly help improve the lives of literally millions of travelers. Don dahler reports changes are coming. Oh, my god reporter the video of dr. David dao bees forcibly removed from united flight 3411, outraged millions and sent the nations fourth Largest Airline into a popularity plummet. United c. E. O. Oscar munoz acknowledged the Public Relation crisis today, and promised changes. It happened because policies were placed ahead of our shared values and procedures got in the way of what we know is right. Reporter the airline announced 10 new Customer Service policies, including compensating passengers up to 10,000 for taking a later flight. Using Law Enforcement officers only for safety or security issues. And additional employee training. That issue came again under the microscope with two other recent incidents. You stay out of this Reporter Video of a Heated Exchange with an american Flight Attendant went viral, and just wednesday, delta kicked a man off a flight when he used the restroom when the plane was delayed on the runway. Sam nelson is the president of the association of Flight Attendant. Flight attendants are trained to desquealate conflict every single day, and actually that has become a big part of our job, now that planes are packed. Reporter airlines involuntarily bumping seated passengers like dr. Dao is rare bubutt not illegal. However, Congress Might change that with not one but two bills being proposed to outlaw the practice. Some airlines arent waiting. Southwest announced today it will no longer overbook flights. United and american will also cease involuntarily bumping seated passengers unless safety or security is at risk. United will now also require employees who are traveling to check in at least an hour ahead of their flights. That could lessen the need for passengers to give up their seats. Scott, the officers involved in the dr. Dao incident have been placed on leave. Pelley don dahler, thanks. Coming up next, fatter dummies to protect fatter americans. Esh. More flavorful. Delicious. With more great nutrition. And 25 less saturated fat. Only egglands best. Better taste. Better nutrition. Better eggs. Come close, come close. Fun in art class. [ music stops suddenly ] ah. 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Safety features, the airbags, and most importantly, the seat belts are designed around those dummies. Reporter but with americans getting taller, fatter, and older, changes are needed, according to dr. Stewart wang from the university of michigans International Center for automotive medicine. Heavier people seem to get much more severe lower extremity injuries. Reporter its pretty easy to tell which is the new big dummy. Your obese dummy. Christopher oconner runs the leading maker of crash test dummies. He said this new dumb dusmy about 100 pounds heavier and four inches taller is more like a real, modernday driver. We have found obese people, elderly people, people who dont fit that exact size and shape are more at risk in a vehicle now. Reporter do they need to switch to a larger dummy as the standard . So i dont think one replaces the other. Auto safety is based on what we measure. We need to have a deft device that reflects that growing population change. Reporter nearly 20 of drivers over 65 oconnor and dr. Wang are also developing a crash dumb tow replicate an elderly, more fragile body. Unfortunately, the older population is four to eight times more likely to sustain chest injuries than a younger individual. Reporter while it will take years to get regulatory approval, car makers are already giving this big guy a test run to see if a bigger dummy means better safety. Kris van cleave, cbs news, plymouth, michigan. Pelley well, roughly 19,000 men have played Major League Baseball since 1876. None from africa, until last night. In his first atbat, pittsburghs player led off the fourth with a base hit up the middle. He grew up in south africa. From a great beginning to a grand finale. Nasas cassini spacecraft is the first to orbit saturn and the first to drop a lander on one of its moons. Today, it sent a closeup of a hurricane at saturns north pole. But the discoveries will end in september as cassini makes a failtal dive into the atmosphere. Launched in 1997, cassinis discoveries are countless, an astonishing achievement in american engineering. Up next, a little star right here on earth. We asked people to write down the things they love to do most on these balloons. Travel with my daughter. Roller derby. Now give up half of em. Do i have to . This is a tough financial choice we could face when we retire. But, if we start saving even just 1 more of our annual income. We could keep doing all the things we love. Prudential. Bring your challenges. Try new flonase sensimistgies. Instead of allergy pills. It delivers a gentle mist to help block six key inflammatory substances. Most allergy pills only block one. New flonase sensimist. That goes beyond assuming beingredients are safe. Ood to knowing they are. Going beyond expectations. Because our pets deserve it. Beyond. Natural pet food. Ykeep you sidelined. 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When nate butkas was born, barack obama was in the white house, and now nate is sharing his years of wisdom, six going on seven with the world and dean reynolds. Wow. Thats really, really cool. Reporter nate butkas brings a wideeyed wonderment to science class that only a sixyearold can. Thats amazing reporter but his interest in learning doesnt stop in the classroom. Wow. Hey, guys, im very excited for another episode of the show about science. This is your host, nate. Reporter about once a month from an attic studio in his home, nate records a podcast. It features eminent brains from around the world of science fielding questions on a range of topics, a wide range. He started podcasting when he was five. Youre six years old, and youre talking to people at harvard. Yes, i am. Reporter are you at all afraid . No. Reporter worried . No, no, never. Its actually just my curiosity. Im a 50yearold man in a sixyearolds body. Reporter this kind of inspired giveandtake landed him on ellen recently. What are these . These are kaboom goggles. Reporter nates dad, eric, is a Digital Media producer of podcasts for the journal of the american medical association. After watching how its done, nate got the bug. Reporter nate is a bis surprised he has a hit on his hands. I just thought i would teach people about science. I didnt know i would turn into, like, a journalist and a reporter. Reporter and yet, it looks like nate is just getting started. You guys want to see . Reporter dean reynolds, cbs news, wilmette, illinois. Pelley and thats the cbs evening news for tonight. For all of us at cbs news all around the world, good night. Tonight new bachelor arrest bombshells. Chris soules speaks out for the First Time Since the deadly accident. E. T. In iowa with a new twist in the investigation. Sheriffs deputy located chris. Who helped chris flee from the scene. Then kim k. s new interview breakdown. Why shes in tears over his kids. Plus, our exclusive with Sylvester Stallones three knockout daughters. So just how well do they know their famous dad in. Really . And johnny depp gives his fans a surprise of a lifetime. Why hes dressing as jack sparrow on a disney land ride. Are you real . Animatronnic . Now for april 27, 2017, this