Lily Geismer is an associate professor of history at Claremont McKenna College, an Andrew Carnegie Fellow, the author of Don’t Blame Us: Suburban Liberals and the Transformation of the Democratic Party (Princeton University Press, 2005), and the coeditor of Shaped by the State: Toward a New History of the Twentieth Century (University of Chicago Press, 2019). Her research focuses on 20th-century political and urban history in the United States, especially liberalism.