From his dazzling conducting debut in 1943 until his death in 1990, Leonard Bernstein's star blazed brilliantly. In this fresh and revealing biography of Bernstein's political life, Barry Seldes examines Bernstein's career against the backdrop of cold war America-blacklisting by the State Department in 1950, voluntary exile from the New York Philharmonic in 1951 for fear that he might be blacklisted, signing a humiliating affidavit to regain his passport-and...