The Last Word with Lawrence O'Donnell 12/01/15

US mission creep worry in fight against ISIS

The U.S. is sending a group of up to 200 special forces troops to Iraq to help fight ISIS. Lawrence talks to congressman and Iraq War veteran Seth Moulton (D-MA), Lt. Col. Anthony Shaffer, and Kurt Anderson about the new U.S. mission to fight ISIS ... more Duration: {{video.duration.momentjs}}