"An unprecedented moment"

Nicolle Wallace discusses President Biden's surprise trip to Ukraine ahead of the one-year anniversary of the war, reporting on just how secretive planning for the president's trip was, why the Big Lie just won't go away and more. Joined by: Igor Novikov, Ali Velshi, John Kirby, Sebastian Junger, Mike Memoli, Claire McCaskill, John Heilemann, Ken Burns and Charlie Sykes.