Is Trump Crazy? The Psychiatrists Speak & Amy Wilentz Reports; plus George Zornick: Trump & the NRA

Is Trump crazy? Amy Wilentz talks about 'The Dangerous Case of Donald Trump,' a book edited by Bandy X. Lee, in which 27 psychiatrists and mental-health experts give their assessments of the president. The book was number four on the New York Times bestseller list. Also: Trump and the NRA: at the beginning of the 2016 campaign, Trump's status as a gun person was uncertain -- but he succeed in transforming himself during the campaign. The Nation's George Zornick reports (recorded after the Las Vegas shootings).