A new biography about Senator Joseph McCarthy taps into recently-released transcripts of closed-door congressional hearings to shed light on the senator\u2019s life and his 1950\u2019s anti-communist crusade.\xa0 Journalist and author Larry Tye joins us to talk about the book, \u201cDemagogue: The Life and Long Shadow of Senator Joe McCarthy\u201d, and to describe the parallels he sees between McCarthy and President Trump.