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

Ex-Watergate prosecutor: New Trump FBI threats may be obstruction

GOP lawmakers are following Trump's attacks on Robert Mueller, the FBI and its leadership, which ex-Watergate prosecutor Jill-Wine Banks says are a "serious threat to democracy" and could be considered in Mueller's probe. David Frum & Matt Miller join Ari Melber. ... more Duration: {{video.duration.momentjs}}