The Last Word with Lawrence O'Donnell 09/14/17

Lawrence: The new Trump exhibit in the Mueller investigation

The New York Times reports that when Trump found out about the Mueller probe, he called Jeff Sessions an "idiot" and asked for his resignation. Lawrence O'Donnell talks to David Frum, Matt Miller, and Jed Shugerman about the implications for a possible obstruction of justice case. ... more Duration: {{video.duration.momentjs}}