Paul Manafort: Trump's ex-campaign chair agrees to cooperate with Mueller

Prosecutor announces arrangement during hearing in Washington DC where Manafort pleaded guilty to two criminal chargesFollow live updates: Manafort agrees to cooperate with Mueller’s prosecutorsPaul Manafort, Donald Trump’s former campaign chairman, has agreed to cooperate with Robert Mueller’s inquiry into Russian interference in the 2016 election, in a move that could cause legal trouble for the president. Related: The rise and fall of Paul Manafort: he sold composure but liv