By Jennifer Block Broad mandates in the civilian population of an unapproved Emergency Use Authorization product are unprecedented, and the legality may ultimately be answered in court. For Joshua Hauser, a junior at the University of California Berkeley, the requirement to get a COVID-19 vaccine before fall semester is like getting a plum campus housing assignment. “People are really excited about getting the vaccine on campus,” he says. “It will help us feel safe at school.” And he’s hopeful it will mean a return to normal. “On Zoom, that’s all we talk…