And he gives Clinton credit for being the terrorist group's co-founder.
Donald Trump on Thursday escalated his attack on President Barack Obama, doubling down on his accusation that he’s a founder of the Islamic State and claiming that both Obama and Hillary Clinton remain the terrorist group’s most valuable players.
21:01 Iran deal faces uncertain future under Trump27
20:38 In Talk With Clinton, Bush Says Being 'Humble In Victory' Is Key To Presidency15
14:44 Trump says he wants victories — but he isn’t selling the GOP agenda to voters29
13:23 The Energy 202: Trump gets one thing right when it comes to energy and Russia37