FILE - Security ride their bicycles around steel barriers blocking public access around Royce Hall area of the UCLA campus in Los Angeles on Friday, May 3, 2024. Colleges and universities have long been protected places for free expression without pressure or punishment. But protests over Israel's conduct of the war in Gaza in its hunt for Hamas after the Oct. 7 massacre has tested that ideal around the world. (AP Photo/Damian Dovarganes, File)