The Last Word with Lawrence O'Donnell 07/05/17

25th Amendment: Is Trump fit to serve?

There is renewed interest in the 25th Amendment after Trump’s recent tweet attacks. Lawrence O'Donnell talks to psychiatrist Dr. Prudence Gourguechon who evaluates Trump's recent behavior using criteria set forth in the U.S. Army Field Manual. ... more Duration: {{video.duration.momentjs}}