The Last Word with Lawrence O'Donnell 03/05/13

Gun debate may fuel rise in hate groups

According to a new report by the Southern Poverty Law Center, the number of "Patriot" groups is at an all-time high. The SPLC warns that the gun control debate could lead even more of these anti-government groups. MSNBC's Lawrence O'Donnell talks with ... more Duration: {{video.duration.momentjs}}