The Last Word with Lawrence O'Donnell 03/29/13

Obama on Newtown tragedy: 'Shame on us if we've forgotten'

President Obama said “shame on us if we've forgotten” the massacre at Sandy Hook. MSNBC's Lawrence O'Donnell discusses the president's relentless push for gun control with Connecticut Governor Malloy and MSNBC's Joy Reid. ... more Duration: {{video.duration.momentjs}}