The definitive biography of the most dangerous demagogue in American history, based on first-ever review of his personal and professional papers, medical and military records, and recently unsealed transcripts of his closed-door Congressional hearingsIn the long history of American demagogues, from Huey Long to Donald Trump, never has one man caused so much damage in such a short time as Senator Joseph McCarthy. We still use "McCarthyism" to stand for outrageous charges of guilt by association, a weapon of polarizing slander. From 1950 to 1954, McCarthy destroyed many careers and even entire lives, whipping the nation into a frenzy of paranoia, accusation, loyalty oaths, and terror. When the public finally turned on him, he came crashing down, dying of alcoholism in 1957. Only now, through bestselling author Larry Tye's exclusive look at the senator's records, can the full story be told.Demagogueis a masterful portrait of a human being capable...