The Last Word with Lawrence O'Donnell 07/22/13

Rush Limbaugh on slavery in America

Rush Limbaugh calls the President's speech on Trayvon Martin "irresponsible" and gives his take on who has done the most to end slavery. MSNBC's Ari Melber reacts to Limbaugh's comments with Dorian Warren, Khary Lazzare-White, and Goldie Taylor. ... more Duration: {{video.duration.momentjs}}