hosted by billionaire ceo elon musk on twitter. but is this state big enough for two candidates? plus, how florida is about to become center stage for presidential politics. also tonight, the security scare in the shadow of the white house. new details out tonight on the man accused of ramming a rented u-haul truck into security barriers over and over. the 19-year-old suspect making threatening statements. police say before his arrest, a nazi flag seized. the latest in a growing number of threats aimed at governmentnt officialsls. the e clock tickcking away on a possible government default just nine days away from now. insiders indicating there is still a long way to go. we pressed the house speaker. the airlines facing their biggest travel test in years. plus, the fight over what carriers have to pay you if there are problems after the summer chaos one year ago. the fake image seeming to show an explosion near the pentagon, racing around the world and on twitter and
government default just nine days away from now insiders indicating there is still a long way to go. we pressed the house speaker. the airlines facing their biggest travel test in years plus, the fight over what carriers have to pay you if there are problems, after the summer chaos one year ago. the fake image seeming to show an explosion near the pentagon racing around the world and may have briefly spooked the markets. how did it happen, and are we prepared? netflix cracking down on sharing passwords. what you need to know. and a record-breaking pilot teaching kids here in miami to soar. announcer: this is nbc nightly news with lester holt, reporting tonight live from miami good evening and welcome from florida, where the center of gravity in the race for president is about to undergo a dramatic shift. governor ron desantis expected to declare his candidacy for the republican nomination tomorrow evening but nbc news has learned the long-anticipated announcemen
reporter: at miami springs academy for innovative education, the future is now. this first period robotics class is fully embracing it. it s part of a program called the flying classroom. it has definitely made me realize the importance of technology in our world. reporter: the program inspires thousands of students nationwide to explore careers in s.t.e.m. anthony delgado is learning how to build a solar-powered go kart. they re trying to tell us we can do it, no matter how hard it is. show me what you did. reporter: it s part of founder captain barrington s passion projects. you don t call your students, students. you call them explorers. why do you do that? we purposefully call all of our students explorers because we want them to build a mind-set of exploration. everything isn t contained to a textbook. it s also contained within experiences and exploration. reporter: irving, who grew up in miami s inner city had a mentor who suggested flying. i fell in love with