The Last Word with Lawrence O'Donnell 12/26/17

Trump SuperPAC spends $1M to thank Trump for 'Merry Christmas'

Donald Trump has declared victory in the "assault" on the phrase "Merry Christmas." Ari Melber looks back at the dark history of the war on Christmas and Trump's own history of self-congratulations. David Frum and Jason Johnson discuss. ... more Duration: {{video.duration.momentjs}}