Stunning flip: Manafort pleads guilty, cooperates with Mueller

President Trump’s former campaign chair, Paul Manafort, has flipped, pleading guilty in the Mueller probe and agreeing to cooperate fully with prosecutors. Manafort is the highest-ranking former Trump official to plead guilty and was involved in the infamous 2016 Trump Tower meeting with Russians. Attorney Maya Wiley tells Ari Melber, “this is a complete fold”.