A celebrated historian recounts Hubert Humphrey's role as a liberal hero of twentieth-century America Hubert Humphrey was liberalism's most dedicated defender, and its most public and tragic sacrifice. As a young politician in 1948, he defied segregationists and forced the Democratic Party to commit itself to civil rights. As a senator in 1964, he made good on that commitment by helping pass the Civil Rights Act. But as Lyndon B. Johnson's...