James Traub's latest book is titled "True Believer: Hubert Humphrey's Quest for a More Just America." In the introduction, Mr. Traub writes: "I return to Humphrey in order to explain what liberalism was at its ascendant moment, why it mattered so much to so may people, why it abruptly lost its appeal to the majority of Americans – and, perhaps, how it might rejuvenate itself." Hubert Humphrey served as mayor of Minneapolis, United States Senator, Vice President of the United States under Lyndon Johnson, and a candidate for President in several years, including 1968.

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