Open this photo in gallery: A University of Southern California protester is detained by USC Department of Public Safety officers during a pro-Palestinian occupation at the campus' Alumni Park, on April 24, in Los Angeles.Richard Vogel/The Associated Press Protests are roiling college campuses nationwide as administrators with graduation ceremonies next month face demands that schools cut financial ties to Israel against the backdrop of the Israel-Hamas war. Many campuses were largely quiet by early afternoon Sunday but about 275 people were arrested on Saturday at campuses including Indiana University at Bloomington, Arizona State University and Washington University in St. Louis....