While America emerges as a super-power, Wilson promises to "make the world safe for democracy," Harding's administration is wracked by scandal, Coolidge ushers the nation to a dangerous economic precipice that leaves Hoover with the Great Depression--which finally ends as FDR leads the nation through WWII.

• Craig Haffner

• H.W. Brands
• John Seigenthaler
• Annette Gordon-Reed