Stunning flip: Manafort pleads guilty, cooperates with Mueller

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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”.