The presidents of Harvard, MIT and the University of Pennsylvania faced tough questions about a surge in expressions of hatred on U.S. college campuses from the House Committee on Education and the Workforce Tuesday. Several GOP members accused the university leaders of slow, ineffective or inadequate response to threats and hostility witnessed following the beginning of the Israel-Hamas war. Rep. Elise Stefanik (R-N.Y.) called for the resignation of Harvard President Claudine Gay.