The Last Word with Lawrence O'Donnell 09/17/15

Trump Iowa chair on anti-Muslim questions

At a Thursday campaign event, Donald Trump did not refute the false claims one questioner made about Pres. Obama’s religion and the presence of ‘Muslim training camps’ in America. Trump’s Iowa campaign chair, Tana Goertz, joins Lawrence O’Donnell. ... more Duration: {{video.duration.momentjs}}