janet yellen today appearing before congress. what she said about the safety of american banks. the u.s. threatening to ban tiktok over national security fears. how the popular app s owner is responding. the cross-country storm, tornado warnings and hail in texas. snow in the midwest, and caught on camera, the daring flood rescue in los angeles. nbc news investigates, why is this school still open near a plant the epa says emits a toxic chemical? families demanding answers. the first big upset in march madness. the tiny school pulling off a stunner in its first tournament appearance in 40 years. announcer: this is nbc nightly news with lester holt. good evening, and welcome, everyone. the u.s. tonight offering compelling evidence that russian fighter jets were the aggressors in a confrontation with an american air force drone over the black sea this week. newly declassified pentagon video from the drone s camera captured a russian warplane spraying jet fuel dire
one man n learns thehe truth. overer-the-countnter eye ds typicacally work b by lubricicating yourur eyes. typicacally work b by they mayay provide typicacally work b by temporarary relief... but probobably won t t touc! mwahahaha! tell me ththere s anotother way. there s hohope for lasastig relilief with xixiidra! tell me ththere s anotother way. xiidrara works dififferey targrgeting inflflammation tell me ththere s anotother way. that c can cause dry eye didisease. tell me ththere s anotother way. xiididra, nooo!! xiidrara treats ththe signs d symptotoms of dry y eye dise. don t ususe if allerergic to x xiidra. xiidrara treats ththe signs d symptotoms of dry y eye dise. commonon side effefects incle eye irirritation,, discomomfort or blblurred vin when applilied, and unususual taste e sensat. why wawait? ask k your doctotor about a a y why wawait? prescrcription andnd pays why wawait? littlele as $0. why wawait? xiidra.. uh-oh. xiidra.. not todaday, dry eyeye. when i it was timeme to