These years later. Nightly news begins right now. Announcer from nbc news World Headquarters in new york, this is nbc nightly news with lester holt. Good evening to our viewers in the west. President trump and the white house are speaking out about two controversial World Leaders today in ways that are surprising some. The president is not ruling out applying his negotiating skills in a sunday facetoface meeting with north koreas kim jongun. And hes standing by his invitation for the philippines president to visit the u. S. The brutal antidrug campaign has raised serious human rights concerns. National correspondent Peter Alexander has details. Reporter tonight, President Trump with this alarming warning about north korea. So nobody is safe. Were probably not safe over here if he gets long range missiles, were not safe, either. Reporter that dire assessment after surprising comments to bloomberg news. Opening a door to a meeting with dictator kim jongun. If it would be appropriate for me to meet with him, i would absolutely. I would be honored to do it. No sitting president has ever met a north korean leader. This is probably the most brutal dictator in the world and it would elevate his status well beyond whats deserved. Reporter President Trump crediting kim jongun for being a survivor eliminating rivals including his uncle. So obviously hes a pretty smart cookie. Reporter mr. Trump defending his white house invitation to another brutal leader, the president of the philippines. Who could help the u. S. Isolate north korea even though he is widely condemned for excuting people in his own country. There is a huge aspect into this. Its a balance. Reporter the president also creating confusion at home, misstating one of the key changes of the Republican Health care plan with a vote as early as this week. Preexisting conditions are in the bill and i mandated it. I said it has to be. Reporter in fact, the latest amendment isnt that clear and allows states to get a waiver that would let insurers charge people with preexisting conditions more for coverage. The president tonight arguing the plan still isnt final. Punctuating President Trumps new round of interviews, this stunning comment about andrew jackson. He was really angry that he saw what was happening with regard to the civil war. Reporter jackson himself a slave owner died 16 years before the civil war. People dont ask that question, but why was there the civil war . Why could that one not have been worked out . He seemed to skirt around it when he said why was that one not worked out . That one is slavery. Reporter one more note on north korea, President Trump suggesting a meeting with kim jongun as the North Koreans said theyre pushing their Nuclear Program to its maximum pace. Lester . Peter alexander in the white house tonight, thank you. Details of a series of attacks by a student wielding a knife at the university of texas. At least one student was stabbed to death and three others injured. The suspect a junior at the university was taken down by police and Officials Say there is no ongoing threat on that sprawling campus but there is obviously deep concern and anxiety as police try to determine a motive. Nbcs Kerry Sanders with the latest tonight. Reporter at the university of texas today, a suspect in custody. Three total patients, two are being transported, one dos. Reporter one student killed, another stabbed. Police say two others also assaulted by the suspect. I saw him stab the guy, and realized this was a real attack happening, and i just turned around and ran. Reporter one by stander posted this after Police Arrested with the suspect. Tonight they have kendricks jay white in custody. Hes a 21yearold student who also attends u. T. What investigators cannot say is why he allegedly attacked. The individual calmly walked around the plaza, the Gregory Gymnasium plaza and basically attacked the four unfortunate students there. Reporter friends of one victim believe racial tensions on campus may have been a trigger to todays stabbings. Graffiti on fraternity houses in recent days causing anxiety. It absolutely has to do with targeting greek life. There is no doubt about it. Reporter police say they are aware of the allegations but have not determined a motive. We recognize there have been a significant number of discussions on social media about all kinds of things we cannot confirm are true. Reporter tonight the university cancelled all classes and urging students to call home to talk to their parents. Kerry sanders, nbc news. Texas is also one of several states hit by violent storms in the south and midwest over the weekend. At least 15 people were killed and the danger is not over this evening as storms move towards the northeast. The same system that spawned deadly tornados and mass flooding, but amid the tragedy, one east texas family is giving thanks after brave citizens left in to save their two Young Children from the rushing waters. Tonight nbcs Gabe Gutierrez has more from the dramatic rescue. Reporter with the flood waters raging, panic set in. Inside this overturned pickup truck, the family with two Young Children. I need a knife. A sharp knife. Come on reporter half a dozen good samaritans, strangers frantically trying to free them. Oh, my god, its a baby. Reporter among them corey prox. I could hear someone screaming from the inside, and when i heard that, i went in panic mode and jumped in and i helped, you know, to the best that i could. Reporter 4 month old marshall pulled out unconscious. Tom mitchell who shot this video puts the phone in his pocket and starts cpr. It was like ive got to do something to save this kid. Reporter a woman over his shoulder prays. Let him breathe, lord. Let him breathe, lord. Reporter the baby breaths. Rescuers like martinez working to resuscitate the boy and his sister, 18 month old addy strapped in a car seat. There she goes i did what i had to do and i dont, i dont know. Reporter the strangers also rescuing their parents, phillip and emily. Helpless for sure. Thats the only thing i was worried about, just getting my kids out of this vehicle with water in it. When they said come on, mama, we have the babies. I said give them breath before you get out of this vehicle. Thank you so much. Reporter late today they were reunited at the hospital with one of the good samaritans, strangers no more. Today the National Weather service said two of the four tornados that tore through east texas were ef 3s with winds up to 165 miles per hour. The family packed into their car to escape one storm when they ran right into another. Tonight, little addy is in intensive care fighting for her life. Lester. What a dramatic and emotional story, thank you for bringing it to us. To a violent flight that left passengers bruised and bloodied after wild turbulence struck before the pilots could even warn the passengers it was coming. There are incredible images from on board that plane, and tonight an important reminder when flying. Heres nbcs Kristen Dahlgren with more. Reporter the extreme turbulence happened fast without warning. Passengers from moscow to bangkok tossed about the cabin landing in the ale, leaving blood on overhead bins. One writing blood everywhere, babies with head injuries. Thank god we are alive. According to the russian embassy, at least 27 people suffered fractures and bruises when the boeing 777 hit an air pocket, at least three had to undergo surgery. The embassy blaming injuries on passengers not wearing seat belts. Saying there was no time to warn them since the sky looked clear. Socalled clear air turbulence is not uncommon. Fastmoving air interact with much slower moving air. It is not something that you can see on radar or really predict with a great amount of accuracy. Reporter planes are put through rigorous testing to ensure they can withstand rough skies. This wing test posted by airbus. But according to the faa, in 2016, 44 people were injured in turbulence. The main reason the captain usually warns passengers to keep seat belts fastened, even when the seat belt sign is off. Advice that could prevent this kind of chaos when turbulence comes out of the clear blue sky. Kristen dahlgren, nbc news. Tonight a heads up for parents, the Trump Administration is rolling back another Obama Administration rule, one that was designed to make School Lunches healthier. It was a programmed championed by former first Lady Michelle obama. And while it required more fruits, veggies and whole grains, many schools complained the Healthy Foods were ending up in the trash. Here is nbcs tom costello. Reporter todays announcement takes aim at one of Michelle Obamas signature efforts to fight obesity. This Healthy Eating stuff, its here to stay. Reporter in 2012 the government required healthy changes to school meals, more fruits and vegetables slowly phasing in lower sodium levels and requiring half of all breads and pasta to be whole grain, eventually all would be whole grain, but Many School Districts reported Healthy Foods cost more, and kids often threw it all away. Today at a school in virginia, President Trumps new agriculture secretary announced hes loosening the rules. Meals cant be nutritious if theyre not consumed, if theyre put in the trash. Reporter under the trump plan, the government will not cut sodium and keep the current whole grain requirements and not demand all pasta and bread go whole grain. Schools will be allowed to offer 1 chocolate milk. The big losers are the children who will have less healthful meals. The winners will be the makers of processed foods. Reporter the Los Angeles School district where they make 700,000 meals a day, nutrition specialists say they found way s to make food taste better and avoid waste. You will always find kids are going to be fickle with what they eat and some days they will like it better than others. Reporter the new rules take effect in the fall. The Trump Administration insisting local School Districts should make local decisions about what to feed their kids. Tom costello, nbc news, washington. Across the country today, thousands took to the streets for mayday protests. Its not unusual to see labor protest on may 1st. Also known as mayday or International Workers day in some countries. But this year many were demonstrating against President Trumps policies especially those regarding immigration. Tonight, there is more fallout from the scandals plaguing the fox news channel. Following the departures of former network chief roger ailes and star anchor bill oreilly after allegations of sexual harassment, now comes word of another major departure for his role in the scandal. Nbcs Anne Thompson has late details. Reporter roger ailes, bill oreilly and now fox news copresident bill shine. Ailes and oreilly gone after accusations of sexual harassment. Shine resigning today after accusations he covered up the abuse. Accusations hes denied. New york magazines gabe sherman broke the story. Shine really was a continuation of the old fox news culture. So today is a sign that the murdochs are slowly deciding they need to answer critics by turning a page. Reporter 21st century fox chairman Rupert Murdoch characterized shines resignation as sad. Writing in an email, i know bill was respected and liked by everybody at fox news. Not everybody. In her lawsuit, fox contributor Julie Roginski says shine aided and abetted ailes acts of retaliation and harassment. Andrea once a member of the five in her suit allegations shine told her that ailes was a very powerful man and sheneeded to let this one go. Shine had a powerful advocate in his corner. Fox star sean hannity tweeting last week as rumors of shines demise swirl, i pray this is not true because if it is, thats the total end of the fnc as we know it. Done. Tonight, hannity declined comment. Shines replacement is a woman, Suzanne Scott whose been with fox since the start. For years she enforced roger ailes as ironfisted. She comes with women being skeptical of her management. Reporter a scandal still generating headlines. Ann thompson, nbc news, new york. There is a lot more to tell you about here tonight. Still ahead, hollywood held hostage. A hacker lacks the new season of the hit netflix show weeks before its set to premiere if ransom demands arent met. Are other shows next . Also, a driver trapped when a semi truck crashes his car below a highway overpass. Were back now with details at the hollywood hack that is affecting several networks. Netflix appears to be the first victim, when hackers released new episodes of a popular show well before the plan planned release dates, when the Company Refused to pay ransom. The group behind the attack is now threatening other hollywood heavy weights. Here is Nbc News National Correspondent miguel almaguer. Reporter its the comedy thats no laughing matter for netflix, the fifth season of orange is the new black set to be released june 9th was reportedly stolen then shared with the public after netflix refused ransom demands. Hackers using the twitter handle the dark over lord claimed to have dozens of other shows and movies and now this warning, who is next on the list . Fox, ifc, nat geo and abc, oh, what fun were going to have. Was this a shot across the bow . It very much was. Were waiting to see as he repeated the threat overnight if well see netflix again or one of these other networks he mentioned get hit. Reporter in a statement, netflix says a production vendor used by several major tv studios had its security compromised. Its believed the hack happened at larson studios. A digital mixing service. Nbc news has not verified the authenticity of the stolen files. Its the biggest attack since the sony hack in 2014. Its not just corporations. Citizens are also under attack. Last year more than a billion identities were breached by cyber criminals looking to extort. We know people at home are being attacked, because the number of these attacks are soaring, 100 , 200 a year. Reporter with the dark over lord previously blamed with extorting a hospital and police department, tonight its hollywood under attack. A real life drama still playing out. Miguel almaguer, nbc news, los angeles. Were back in a moment with a warning about a new danger spreading on social media. A highway near detroit a semi truck overturned on top of a car below. Several firefighters responded to the scene and worked nearly an hour to rescue a driver who was trapped inside the car. He emerged alive, awake and responsive. The crash is now under investigation. Theres a warning out tonight about the latest meme on social media, called ten concerts ive been to, one is a lie. It invites friends to post and figure out which one you havent attended. It may seem harmless but follow me, experts say hackers could use the meme to determine the first concert you went to, which is a frequent security question on banking and other websites that handle sensitive data. You cant be too careful. Hard to believe but tomorrow princes charlotte turns two and to make the occasion Prince William and princess kate released a photo of the princess taken by kate herself at the familys country home. Big brother george starts school in september. By the way, they do grow up fast. Side shows in the south bay. Jess take vo the video getting the attention of police. And forcing businesses to rethink how they operate. Raj take vo plus the bay area s highgest paid cop the reason he may make than any other officer in the state. Next close the news is next. Raj vo right now at 6 a barrage of bullets in a quiet San Francisco finally tonight, this weekend marked the 42nd anniversary of the fall of saigon. The shadow still cast by the vietnam war. Our tom brokaw has spent years chronicling the stories of the world war ii veterans. Tonights inspiring america report. Reporter at first Tony Marshall and jack tremble look like any other pilots. Refreshing their skills at Randolph Air Force base in san antonio. Maybe just a bit more senior. In the waning days of war in vietnam, they ended up as two of the last fires to be shot down. Now the two former Weapons Systems officers will soar once again, thanks to the air forces Freedom Flyer program which ensuresed flights that ended in their capture will not be their last. Over the last 44 years, the 560th flying Training Squadron has returned almost 200 former pows to the skies. Marshall has vivid memories of the moments after he was cornered somewhere in the vietnamese jungle. I was totally angry because if they shot me, nobody would know what had happened or if i survived. Reporter and survived both did, fortunate to only be in prison for just under a year. To spend even a few moments with these men remains a lesson in resilience and perspective. Lieutenant colonel gene smith spent five and a half years behind bars. How often do you think about those dark days . Every day. When i brush my teeth i think about it because i have a toothbrush and a tube of toothpaste that i can use as much of as i want to. Reporter Lieutenant Colonel chary how far marvels at the fortitude of the heroes with whom hes served. You cant imagine being tortured for five, six, seven years and think they will never be normal but they were. Reporter every generation of a warrior learns from the last generation of warriors. They say we stand on each others shoulders. Reporter and these warriors now have new memories. Worked out pretty well. Reporter did it call come back . Now, i need about another 100 hours and ill do it, yeah. Reporter a final flight filled with joy. Soaring again. That will do it for us tonight. Im lester holt. For all of us at nbc news, thank you for watching and good night. Bullets in a quiet san fo neighbrohood. A teenager shot and killed in a car. We re live on the right now at 6 00 a barrage of bullets in a quiet San Francisco neighborhood a teenager shot and killed inside of a car. We are live on the scene. The news at 6 00 starts right now. Good evening thank for being with us. We continue a follow follow a developing story a 15yearold shot and killed in San Francisco around noon in the sunset district just blocks from golden gate park. Nbc. Jean what do we know at this point. Reporter jessica we know that shooting happened here in the south of sunset boulevard. The shooting happened at kirk ham the car came to rest here at lawton. The 15yearold driver was shot and killed. Police say a car pulled up to the white car around noon and someone started shooting at that car. People who live nearby say they heard six shots. The car has several bullet holes. A teenage passenger was not hurt. Neighbors are stunned by the violence and sad such a young man was killed. Yet relieved pedestrians and other drivers were not hurt. Getting caught when something is happening an innocent bystander getting caught, you know thats the worst part, yes. Reporter at this point police say there is no suspect description or description of the suspects car available. Police say they believe the victim was targeted you but at this point they say they dont know why. They say road rage is a possibility. At this point the Gang Task Force is not part of the investigation. We do know the 15yearold boy is not from sannc