And magic mushrooms, wait until you see how theyre helping Cancer Patients feel better. Some say its changed their lives. Nightly news begins right now. From nbc news World Headquarters in new york, this is nnbc nightly news with lester holt. Good evening. The campaign is over, but donald trump was back on the trail today, this time to run a victory lap and celebrate an early success in his pledge to keep american jobs from leaving the event since the election, mr. Trump appeared at the carrier plant in indianapolis to trumpet a deal to keep over a thousand jobs previously earmarked to leave the country, in the u. S. The deal is raising high expectations, as well as some eyebrows, over whether what worked with carrier can reverse a decades long tide of vanishing manufacturing jobs. Nbcs Kristen Welker has details. Hi, everybody. Reporter touting a deal to save more than a thousand jobs at carrier, from getting shipped to mexico. Companies are not going to leave the United States anymore without consequences. Not gonna happen. Reporter the deal gives the heating and air conditioning company, 7 million in state tax breaks over ten years, in exchange for carrier investing 16 million into its plant. But 1,300 more jobs arte the negotiation say one motivating factor, carriers parent company, united technologies, has billions of dollars in contracts with the government. For the first time, pointing to a story he saw on nightly news. They were going a story on carrier, and i said wow, i want to see this. Reporter in this story, this strong message to the president elect. We want you to do what you said youre going to do. Were going to hold on the trail, acknowledging it was too late to intervene. At first i thought, i wonder if he was being sarcastic, because this ship has sailed. It was 6 30 in the evening and i said, im going there. Reporter many carrier workers relieved. Its a christmas miracle. Reporter but just a mile down the road, other workers wondering if he can save theirs did to carrier. Reporter hes a father with two children in clerge. I know they Say Something about the trump train. I dont know what kind of train it is, but dont let it stop at carrier, keep on rolling, lets get them all back. Reporter since 2000, the u. S. Has lost nearly 5 million jobs. Some to overseas, others to automation. The president is not going to get involved individually in every one of these things, but i think we a more active federal role in these sorts of cases. Reporter mr. Trump is holding a rally here in cincinnati, ohio, aimed at being reminiscent of a campaignstyle event, although as of right now, the crowd size is considerably smaller. But this is the kickoff to a thank you tour. Mr. Trump poised to crisscross the country, thanking his supporters for helping him win the white house. Lester . Kristen welker, thank you. Lets turn to the deadly onetwo punch on the Violent Storm weve seen this week in the southeast. Dozens of tornadoes carved a trail of destruction through seven states. And the death toll from the fires has climbed to ten and many others are still missing, leaving anguished loved ones desperately waiting for word. Nbcs Kerry Sanders brings us the latest. Reporter a flareup just before sunrise in gatlinburg this morning, put out by firefighters within two hours. With the downtown in this tourist dependent anxiety because a single ember could ignite what remains. The fire storm this week, burned so hot Officials Say the bodies of of the missing may never be found. John and janet summers from memphis were in gatlinburg on vacation. No one has heard from them since. Their three sons, alive, but in the vanderbilt burn unit tonight. Looking for my wife. Reporter michael reed among those waiting three days now for authorities to tell him where his wife and police chief russell brakens. What is it like for you, because you have the families reaching out to you, wanting answers . Its one of the most difficult things you can imagine. Reporter among the dead, alice hague ler, her son james says at least he has an answer. My mom was the grandmother of two. My mother was my best friend, someone who cared about everyone, never met a stranger. Shifts, exhaustion. This photo on facebook captioned as close as we got to seeing sleep in 36 hours. The cleanup in the smokeys is just beginning. And today, cleanup of a different sort across the south. Tornado damage. 34 twisters across seven states, leaving five dead. In alabama, a tornado with wind speeds up to 127 miles an hour, leveled the town of rosalie. Tonight after three forecast is finally for calm. Tonight here in the smokeys, as many as eight people are still unaccounted for. Family members wondering if theyll ever find their loved ones. Especially if they ran into the woods in a panic. Lester . Kerry sanders, thank you. Lets turn now to the hostage drama that played out for hours this morning in florida. A gunman, holding nearly a dozen people inside a bank, quickly as worried family members. Nbcs jacob rascon has details on a harrowing day. Looks like they got them out of the bank. Reporter they were hostages. Now survivors. It was scary. I thought it was a dream, but it was so real. It was real. Reporter it was around 9 00 at the Community First credit union, when the alleged gunman, 23yearold Nicholas Daquan Humphrey walked into the bank with a dog and a handgun and demanded money. When he shot up in the air, i knew he meant business someone had been shot. All units responding to district 24. Gunshot wounds. Reporter that turned out not to be true. But humphrey negotiators he would start shooting if his demands were not met. Reporter la tar shas son, deandre, one of the bank tellers inside. I havent heard anything from him. Reporter after about an hour and a half, negotiators convinced the gunman to free two hostages. Inside the bank, unknown to the gunman, made a daring escape. Tapt, the s. W. A. T. Team went in. Reporter they used a battering ram, putting themselves between the suspect and the hostages. Surrounded, humphrey surrendered. Family overjoyed, as the hostages were freed at last. So shes okay . She okay. Thank you, lord. Thank you. Reporter a reversal of a prisoner. Jacob rascon, nbc news. Theres a developing story were following tonight from new orleans. Former nfl player joe mcknight has been killed in a shooting incident with another driver, a possible victim of road rage. The suspect was arrested at the scene. Mcknight played for usc in college, and then the new york jets in the pros. He most recently played in the canadian football league. Now to a dramatic buzz aldrin, who landed on the moon with Neil Armstrong in 1969, had just arrived at the south pole as part of a private tour group. But once there, his condition quickly dedeteriorated, triggering a highrisk rescue mission. Heres nbcs tom costello. Reporter in a hospital bed in new zealand tonight, a smiling 86yearold buzz aldrin after a rescue from the bottom of the world. Just tuesday he tweeted, south pole here i come. As he joined but once there, at 9,000 feet, nearly double the altitude of denver, his condition territoried. A c130 on skis, like this one, landed to medevac him to a research station, then on to new zealand, where hes described tonight as stable with fluid in his lungs, but responding well to antibiotics. Er doctor john torres has flown two rescue missions to the north pole himself. It looks like edema, a buildup of fluid in the lungs have to get them down to sea level and on oxygen quickly. Reporter in 1969, buzz aldrin landed on the moon in apolo 11, following Neil Armstrong down the ladder to the lunar surface. We were given a fantastic opportunity to do what other people have just not had come along in their life. Reporter for decades, aldrin has pushed for more to infinity and beyond reporter the animated character in toy story created in his honor. Hes pretty ir repressible. Hes a force. Reporter tonight, nasa has been in touch with the new zealand doctors and believes aldrin is doing well. An american explorer, still looking for adventure. Tom costello, nbc news, miami. Now to new dwept developments in the deadly plane disaster the airline has now had its license indefinitely suspended. And we have new images inside the crash scene with keir simmons. Reporter this is where 71 people died, almost an entire brazilian soccer team, wiped out. The plane appears to have clipped the top of this hill and just ripped apart. Thats the wing that is turned back on itself and such was the force of the impact, that way down theres no sign of a fire. Strengthening the theory that the aircraft ran out of fuel. Locals say it was just four minutes from the airport. The Colombian Police escorted us closer to the wreckage. Investigators are picking through the twisted fuselage. Beneath it there, one of the engines, still intact. All clues to what happened. Translator one of the victims, copilot c. C. Arias, talked about her excitement for the team, hours tribute on facebook. Dear sister, im going to miss you for the rest of my life. One local who helped rescue the six survivors told us he found a cell phone with multiple missed calls. So many have been left grieving by this tragedy. Keir simmons, nbc news, colombia. Now to the battle raging against isis, as u. S. Backed forces pushed deeper into mosul to drive out isis, more civilians are getting caught in the middle and the only mal lines is being provided by two american volunteers. On a mission to save lives. We get their story tonight from our richard engel, inside iraq. Reporter this is probably the most important clinic in all of iraq now. Because almost every civilian injured in mosul is taken here. And theyre treated by derek coleman, from san diego. I got the artery. Reporter and pete reed from new jersey. The very first day including 12 dead on arrival. Reporter the americans are the first ones to give care to civilians like farida. Shrapnel upon tore into her legs moments ago. Her brother says isis is firing indiscriminately into mosul. The two 27yearolds came here on their own. Quit my job, sold my truck, sold most of my possessions. Came out here on a hope and a dream. Came to work with iraqi forces to help fight isis, but they realized they could do more good saving lives. How many frontline medical posts like this are there in mosul right now . One. Youre standing in it. Reporter there are 5,000 american troops here, but very view of them are allowed to leave their bases and help out on the front lines. So reed and coleman stepped in. Where are you getting these supplies . From private individuals, small organizations, and weve been able to make it work. The shoulder. Reporter coleman, a machinist, only has basic first aid training. Reed has more. Hes a former marine, who served two tours in afghanistan. I still have some fight left in me. I could use my medical for good. Reporter they say theyve treated more than 500 people, but they have no doubt which ones theyll remember forever. Kids. Hands down, kids. Yeah, children, dying children. Weve had some days with half a dozen kids die. Take cover, take cover reporter theyve had some close calls, like when they were chased by an isis car bomb. But the injured people of mosul are depending on them. And i have every intention of staying here until the battle here is over. Reporter richard engel, nbc news, mosul, iraq. A lot more ahead tonight, new hope for Cancer Patients from the tripy drug that many say is giving them a new lease on life. 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What you love. Ensure. Always be you. Its easy to love your laxative. When that lax loves your body back. Only miralax hydrates, eases, and softens to unblock naturally. Were back now with what you might call an unconventional way that has helped some Cancer Patients feel better. Psychedelic medicine, you might say, in the form of magic mushrooms. And doctors say for some, theyre working, well, magic. We get more from nbcs chances are Something Like this comes to mind. But you may soon think of this, a medication. Two small but encouraging studies out today show the hallucinogenic ingredient in some mushrooms reduced anxiety and depression in 80 of Cancer Patients for more than six months after receiving just one dose. So youve been through a lot in your life. Reporter gale was in her fourth bout with breast cancer. I was really very stressed. Reporter after extensive psychological testing, she was given a pill and watched closely by doctors, as she listened to music and went on a vivid mind trip. Its beautiful. Its you know, its something you want to embrace. Reporter cowan took the drug two years ago and still every night when i get in bed, i find reporter its that long effect that has doctors hoping for more studies. Conducted under tight dea regulation and medical supervision. People should not look at this research and data and extrapolate from that, they can go get mushrooms illicitly, try it and think its going to help them. Reporter but researchers are encouraged by the potential of psychedelics to treat things like alcoholism, smoking, and depression. Just this week, the fda approved a e ptsd. Once criminal compounds, getting a second look. And giving some, like gale cowan, a second chance. I think its wonderful. Reporter kristen dahlgren, nbc news, new york. 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