The Last Word with Lawrence O'Donnell 10/05/17

'The Dangerous Case of Donald Trump': 27 psychiatrists assess

In a new book, 27 psychiatrists and mental health experts asses President Donald Trump's behavior. Do his impulses explain his decisions? The book's editor Dr. Bandy Lee and Tony Schwartz, co-author of Trump's "The Art of the Deal," join Lawrence O'Donnell. ... more Duration: {{video.duration.momentjs}}