The Last Word with Lawrence O'Donnell 01/21/13

President Obama’s second inauguration

President Obama took the oath of office for the last time but his second ceremony and Joe Biden is running, literally. MSNBC's Lawrence O'Donnell discusses with MSNBC's Krystal Ball, Tumblr's Ari Melber, and The Washington Post's Jonathan Capehart. ... more Duration: {{video.duration.momentjs}}