Michael Kazin is professor of history at Georgetown University and an expert in U.S. politics and social movements. His books include A Godly Hero: The Life of William Jennings Bryan (Knopf) and The Populist Persuasion: An American History (Basic). Rebecca Edwards is the Eloise Ellery Professor of History at Vassar College. She is the author of Angels in the Machinery: Gender in American Party Politics from the Civil War to the Progressive Era and New Spirits: Americans in the Gilded Age, 1865-1905. Adam Rothman is associate professor of history at Georgetown University and author of Slave Country: American Expansion and the Origins of the Deep South.