Mueller's office seeks prison sentence of 20 years or more for ex-Trump campaign chairman Paul Manafort USA TODAYSpecial counsel says Paul Manafort deserves up to 24.5 years in prison for financial crimes CNNSpecial counsel Robert Mueller wants ex-Trump campaign boss Paul Manafort imprisoned for up to 24 years CNBCKeep your eye on Rick Gates The Washington PostPaul Manafort lawyers: Ukrainian employee was U.S.