Lily Geismer is an associate professor of history at Claremont McKenna College. She researches and teaches about recent political and urban history in the United States with a focus on liber- alism and the Democratic Party. She is the author of Left Behind: How the Democrats Failed to Solve Inequality and Don’t Blame Us: Suburban Liberals and the Transformation of the Demo- cratic Party. Her work has appeared in the New York Times, Washington Post, New Republic, Jacobin, and Dissent and on NPR and other podcasts. A native of Massachusetts, Geismer currently resides in Los Angeles.