william" starts now. tonight, the trouble for trump. the president headed into a new month after a week of damaging new accusations of failure to land a deal with north korea. and now we've got exclusive reporting tonight that democrats are getting ready to formally ask for his tax returns. plus, in a court filing late today, paul manafort's lawyers argue for less jail time before the former trump campaign chair's sentencing next week. "the 11th hour" on a friday night starts now. good evening from here in new york. i'm katy tur in for brian williams. day 1,771, and the president is entering march with a host of new and growing and political and legal challenges for himself, his family and some one-time members of his inner circle. just a few hours ago, one of the former associates, campaign chairman, paul manafort, asked a federal judge in virginia to