Rubio: Pardoning Paul Manafort 'would be a mistake' CNNMarco Rubio Warns Trump: It Would Be A 'Terrible Mistake' To Pardon Paul Manafort HuffPostRubio: Trump pardoning Manafort 'could trigger a debate about' pardon power ABC NewsRubio: ‘Terrible mistake’ for Trump to pardon Manafort POLITICOPardoning Paul Manafort would be 'terrible mistake': Sen.