Technology to find that perfect match. Nightly news begins right now. Good evening and welcome, everyone. If the stakes werent so potentially grave, it might otherwise sound a school yard squabble. The war of words escalating tonight between the United States and north korea over nothing less than nuclear weapons. President trumps fire and fury remarks met with north koreas threat to attack a vital u. S. Territory. And now today secretary of defense mattis with his own more artfully worded but no less threatening message, warning north korea against actions that could lead to, quote, the destruction of its people. Our bill neely is in south korea tonight with the latest developments. Reporter on the streets of north korea today, a show of defiance. The u. S. The enemy, kim jongun and their weapons against the threat of President Trump. Fire and fury, like the world has never seen. Reporter and from the island of guam, now directly threatened by north korea, secretary of state rex tillerson, turning down the temperature. The American People should sleep well at night. Reporter and defending the president. What the president is doing is sending a strong message to north korea in language that kim jongun would understand. Because he doesnt seem to understand diplomatic language. Reporter that message reinforced today in another stark warning from defense secretary jim mattis that north korea should stop considering actions that would lead to the end of its regime and the destruction of its people. It would, he said, lose any conflict it initiates. Mattis comments followed a new, very specific threat from north korea, that its preparing military plans to strike the American Pacific island of guam. Its a sovereign u. S. Territory, rlt size of chicago, home to 160,000 u. S. Citizens, and much closer to north korea than to the u. S. Mainland. The threat was unusually specific, mentioning the bone bombers stationed there at around Sen Air Force base. The islands governor dismissed north koreas threat. There is no threat to our island. Reporter not everyone is convinced. It is scary. Reporter anxiety too in hawaii. If a Ballistic Missile was launched from north korea, it could reach this state in less than 20 minutes. Officials here in hawaii say they are working on an emergency plan. They say the threat is real, but the risk is low. Reporter its a crisis growing fast. In just five weeks north korea has tested two longrange missiles that u. S. Officials now believe could reach as far as chicago. This is the highest tension ive ever seen on the korean peninsula. Its a very grave situation, close to being a crisis. Reporter well, here in seoul, south koreas president is trying to calm nerves, saying there is no imminent crisis, but from north korea in the last hour, more provocation. The military calling President Trumps threat a load of nonsense and saying only absolute force can work on him. Lester. All right. Bill neely in seoul tonight. Thank you. North koreas threat against guam further complicates the u. S. Options to halt north koreas weapons program. Just over 2,000 miles southeast of the korean peninsula, guam reads like a dot on the map over my shoulder, but of course, its home to tens of thousands of americans. And as nbc news has learned would likely play a Critical Role in staging any u. S. Military preemptive attack against north korean targets. Our Senior Investigative correspondent Cynthia Mcfad den has details. Reporter tonight nbc news can report the pentagon has prepared a specific strike plan for a preemptive attack on north korea should the president order one. Key to that plan, two senior military officials and two senior retired officers tell us, the Battle Tested b. One bomber, seen her in a military video training such such a mission. The b. One recently updated has been a work force in afghanistan and iraq. Since the end of may the b. Ones have accelerated their training, conducted lesson practice runs, including one on monday. Six bonce are positioned in guam. They are not nuclear capable. Here is what theyre training for. Pairs supported overhead by satellites and drones surrounded by fighter jets as well as refueling and Electronic Warfare planes have flown round trims. Refueling multiple times to practice what a real operation against north Korean Missile sites might look like. The highly sophisticated strike package is designed to be largely invisible to facilitate a sneak attack. The targets, multiple sources say, approximately two dozen north Korean Missile launch sites and support facilities which intelligence officials tell nbc news they feel confident they have accurately identified. The b. Ones can carry a mix of womens, as many as 168 bombs or more likely the new jjassmer hundreds of miles outside north korean air space. Of all the military options you could consider, this would be one of the two or three that would be at least have a p possibility of not escalating the situation. A single longrange strike against the nuclear program, a cyber offensive would be the second. Those are the only two military options that ought to be in serious consideration. Reporter nonetheless, admirable stra vee dees, who is the supreme allied commander of nato says he would counsel the president against the use of the u. S. Military at this point. Kim jongun would be compelled to respond. He would lash out militarily at a minimum against south korea and potentially at longer range targets, perhaps including guam. Thats a bad set of outcomes from where we sit today. Cynthia, as you know, last spring we took this broadcast to south korea and what we saw were u. S. And south Korean Forces working hand in hand. Could this u. S. Do this alone, would they do it alone. Could, yes, would, the south korea science have been full partners this these practice runs, but while the u. S. Would be obliged to get the south koreans approval for many kinds of missions, in this particular case, since the planes would launch from guam and the missiles could be fired from outside korean air space, the u. S. Could act unilaterally. Whether they would is a different matter. All right. Are thank you. As the president faces perhaps his greatest test of leadership yet, hes also spawned a backlash among some who feel his fiery threat to the north was out of bounds. But while his choice of words may have taken some within his administration by surprise, the white house says his underlying message did not. Here is kristen welker. Reporter when President Trump unleashed that heated warning to north korea. They will be met with fire and fury. Reporter those words were his, according to the white house, who said the president didnt discuss specific language with his top advisors, but had previewed the tone, including with chief of staff john kelly. Still, the president s combative remarks sparked a backlash from some lawmakers. Teddy roosevelt once said walk softly but carry a big stick, and thats not whats being employed here. Reporter privately Administration Officials acknowledge theyve spent the day trying to turn down the heat, but the president may have added to the mixed messaging tweeting my first order as president was to renovate and modernize our Nuclear Arsenal. It is now far stronger and more powerful than ever before. While its true mr. Trump ordered a review of the Nuclear Arsenal in january, former president obama had already launched an effort to upgrade the stock pile and its a project that will take at least 30 years to complete, making it impossible for there to have been any significant changes this year. The president sent a second tweet today saying hopefully we will never have to use this power. Tonight some supporters say mr. Trumps unconventional tough Foreign Policy talk shows strength. This is how north korea talks, so yp not give it a shot to say, hey, weve got some fire and fury for you too if you want to play that game. Bit critics warn. This is the kind of thing youd expect to hear from the north koreans, not from the president of the United States and frankly its not the kind of rhetoric that will reassure our alloiz. Reporter the president s leadership facing its fiercest yet since the cuban missile crisis. Every president over the last 70 years has essentially felt that what matters in a crisis like this is not tough talk, but tough action. Reporter the president spoke to his secretary of state for an hour today and tomorrow Vice President mike pence will meet with the president here in new jersey. North korea will undoubtedly be the key focus. Lester. Kristen kelger. Thank you. Were learning more tonight about how intensely special Counsel Robert Mueller is looking at former officials of the trump campaign. It turns out one of their homes was recently searched by the fbi. It was a surprise predawn raid on paul manafort. Our justice correspondent Pete Williams has details and what they were looking for. Reporter with absolutely no warning, fbi agents showed up before dawn to search the suburban washington d. C. Apartment of paul manafort. A donald trump confident ant who played a central role in his president ial campaign for six months. The search twop weeks ago at this building in alexandria virginia came as a surprise. Manafort aeks Spokesman Says he has, quote, consistently cooperated with Law Enforcement and other serious inquiries and did so on this occasion as well. But a former federal Prosecutor Says the surprise search is a sign that Robert Muellers investigators dont trust him. The execution of a search warrant means that there is a concern that the individual has documents that are harmful to him that he may not turn over cooperate 2i68. While muellers main task is investigating meddling by the russians in the election and whether anyone in the u. S. Helped them do it, Law EnforcementOfficials Say mueller has also been looking intensely at manaforts foreign business dealings. The Officials Say fbi agents who searched his home were looking for tax and banking records from his work overseas, including in ukraine and cyprus. To get a warrant for that kind of search fbi acts must persuade a federal judge that thats probable cause to believe a crime has been committed. Manafort as repeatedly said he did nothing wrong and has met with and provided documents to congressional investigators looking at russian meddling. Now the search, a clear sign that his legal problems are getting worse. Pete williams, nbc news washington. In france today an hours long manhunt came to an end in a highspeed chase on a highway. The driver of a bmkw arrested after police say that car was used to ram into a group of hold soldiers outside paigs. Six injured in all. French counterterrorism officials have opened an investigation. Authorities searching for anyone else who may have been involved. Back home, a deeply personal warning to moms and dads from the mayor of nashville, who lost her only child a little more than a week ago to the Opioid Crisis gripping our country. Tonight she is opening up and revealing the deadly combination of drugs that took her sons life. The mayor spoke to our gabe gu tir rez. Reporter this is megan barrys family during better times. Ten days ago the narville mayor got a knock on her door at 3 00 a. M. Your first thought is you have a Police Officer who has been injured and pu need to get dressed, you need to go to the hospital, you need to comfort a family. Instead, it was she who would need comforting. Her son max had just died of a drug overdose. Did it come as an absolute shock. Yeah, totally. You didnt see it come at all. I didnt see it coming. She said maximum had been to rehab before for abusing xanax. And he was your only child. He was our only child, yeah. Our only. Reporter today the mayor revealed he had a lethal combination of drugs in his system, including xanax, cocaine, and the opioids methadone and hydromore phone. I want to just shake him and say what were you thinking . It is a tremendous problem in our country reporter on tuesday President Trump stopped short of declaring a national emergency. He pledged to ramp up Law Enforcement to combat the Opioid Crisis. Reporter is that enough . No. Were not going to arrest our way out of this problem. You need to have an access to beds and treatment. Reporter has it sunk in yet . I dont think so. You know, i think that this hole that i have in my heart will never be filled. See, right here. Reporter she shared with us their final texts. Im so grateful that the last words we said and the last texts we sent said i love you. Reporter max bare was 22. Nbc news nashville. Were going to take a short break. When we come back, stopping hot car deaths. A new technology that could save a new technology that could save childrens lives following its time to rethink whats possible. A new technology that could save childrens lives following rethink the experience. Rethink your allergy pills. 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Its the latest tragedy in a year that has seen dozens of children die in hot cars. But now there is potentially life hive saving technology on the way. Nbc News National investigative correspondent Jeff Ross Sen got an exclusive look for tonights ross sen reports. Reporter this summer Police Officers breaking car windows, desperately trying to rescue young kids trapped inside hot cars. And its been a tragic year. 32 children already killed in hot cars where temperatures can spike fast, even when its just 70 degrees outside, it can reach nearly 90 inside the car in just ten minutes. But now new technology to prevent these tragedies. Im in michigan where researchers have developed a new product that would actually alert you if you walk away from your car and theres a baby in the back seat. How does it work . Well w we have installed a very sophisticated electronic censor in the ceiling of this vehicle that detects a child sleeping anywhere in the back seat of this vehicle. Reporter that censor uses special radiofrequency waves to detect even the smallest breaths and chest movements. So what if i walk away from the car . What happens. You get a flashing of lights an audible sound and a text message to your phone. How fast . In less than a minute. Time to try it out. We put a baby man quinn that will actually mimics breathing in the car and i drive around the block to park. All right. Out of the car. Lets see how long it takes for the alert to actually go off and how far you get away from the car. Its only been a few seconds here. Attention an unattended child has been detected. There it goes. That fast. And the lights are blinking and i want to keep an eye on my screen here. Yep. There it is. Theres the text message right there. Child is forgotten. Id know that fast. The company says the censor could be rolled out by some Car Manufacturers as soon as next year. Hopefully making this a thing of the past. Jeff ross sen, nbc news, auburn hills, michigan. Up next toemt, dinner by oprah. The media mowing i am totally blind. And for years ive struggled with non24, a circadian rhythm disorder that can turn my sleep cycles upside down. It kept me from doing the things i truly love to do. Sometimes id show up early; sometimes i was too late. And sometimes, even though i was there. I didnt really feel. There. Talk to your doctor, and call 8442342424 to learn more. Allergies with find fast relief behind the counter with claritind. Strut past that aisle for the steroid free allergy relief that starts working in as little as 30 minutes. And contains the best oral decongestant. Live claritin clear with claritind. So we know how to cover almost almoanything. Hing even a swing set standoff. And we covered it, july first, twentyfifteen. Talk to farmers. We know a thing or two because weve seen a thing or two. We are farmers. Bumpadum, bumbumbumbum when itrust the brandtburn, doctors trust. 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Its been rumored for months and now bruise springsteen says hell make his broadway debut this october with an eight week run with 960 seats, a lot smaller venue than the stayed yums hes used to. Hell perform five shows a week, no doubt soon to become some of the hottest tickets in town. When we come back, must love dogs. Dogs. The high tech for millions who suffer from schizophrenia a side effect of their medication. Is something called akathisia. Its time we took notice. Each year sarah climbs thats the height of mount everest. Because each day she chooses to take the stairs. At work, at home. Even on the escalator. That can be hard on her lower body, so now she does it with dr. Scholls orthotics. Clinically proven to relieve and prevent foot, knee or lower back pain, by reducing the shock and stress that travel up her body with every step she takes. So keep on climbing, sarah. Youre killing it. Dr. Scholls. Born to move. Burning, pinsandneedles, of diabetic nerve pain these feet. Liked to style my dog as a kid. Loved motherhood, rain or shine. And were pumped to open my own salon. But i couldnt bear my diabetic nerve pain any longer. So i talked to my doctor and she prescribed lyrica. Nerve damage from diabetes causes diabetic nerve pain. Lyrica is fda approved to treat this pain from moderate to even severe diabetic nerve pain. Lyrica may cause serious allergic reactions, suicidal thoughts or actions. Tell your doctor right away if you have these, new or worse depression, unusual changes in mood or behavior, swelling, trouble breathing, rash, hives, blisters, muscle pain with fever, tired feeling or blurry vision. Common side effects dizziness, sleepiness, weight gain, swelling of hands, legs, and feet. Dont drink alcohol while taking lyrica. Dont drive or use machinery until you know how lyrica affects you. Those who have had a drug or alcohol problem may be more likely to misuse lyrica. Now i have less diabetic nerve pain. And i love grooming the next generation. Ask your doctor about lyrica. The ford summer sales event is in full swing. Its gonna work, i promise you, we can figure this out. Babe. Little help. Hold on, mom. No, wifi. Wifi. Its not a question, its a thing. Take on summer right with ford, americas bestselling brand. Now with summers hottest offer. Get zero percent for seventytwo months plus an additional thousand on top of your tradein. During the ford summer sales event get zero percent for seventytwo months plus an additional thousand on top of your tradein. Offer ends soon. Finally tonight match matching apps and websites have certainly revolution iced the way people find dates these days. Now technology is also finding the way people find new best friends of the four legd variety. Reporter in so cal silicon Beach Technology has gone to the dogs. Hes so soft. And cats and even rabbits. This is the wallace an enberg pet space where theyve decided if humans can have date kg profiles, then these guys should have adoption profiles, advertised on really big touch screens. So we touch on here and we learn about collide. Hes four years old. Hes 68 pounds. Reporter that info can be kwilkel shared. I like the sharing ability. You can text a fremd or a boyfriend. Reporter pet space also has an app with all those profiles. An interactive approach to adoption. We want people to have that connection, meet the dog and fall in love. Reporter the are pets come from la county shelter, but instead of cages or kennels, they live in swooelgts with tvs that broadcast pet friendly shows. Grooming sections are open for all to see. Curious spectators can simply touch the glass to ask a question. Do the dogs ever bite you . No. Reporter its not just clicks and cuddle z. Researchers are working to better understand the connection between pets and people. The goal here is really to celebrate and strengthen the human animal bonds. Reporter she is adopting picksy. That process is completed online. The connection is quite real. Oh, my goodness. Shes amazing. Shes so cute. I love her. Reporter as glat as this place is, they know the best pet space is a home. Joe fryer, nbc news california. Two minutes of pure cuteness. We appreciate you spending part of your evening with us. That is nielgtsel news for this wednesday night. Im lester holt for all of us at nbc news. Thank you for watching and good night. Jennifer lawrences in love, her first interview of dating her director. Jennifer lawrence on hero man slaughter with darren aronofsky. Inside her new vogue tell all. Their 22 years age gap on the chilling of their new movie and what she says for the first time shes not confused in a relationship. Taylor swift faces down the dj accused of groping her. Did he destroy evidence and changed his story seven times. 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