Cathy Lisa Schneider is associate professor at the American University, School of International Service, in Washington, DC. She is the author of Police Power and Race Riots: Urban Unrest in Paris and New York (University of Pennsylvania Press, 2014); Shantytown Protest in Pinochet’s Chile (Temple University Press, 1995); and co-editor with Ernesto Castañeda of Collective Violence, Contentious Politics and Social Change: A Charles Tilly Reader (Routledge, 2017).