The war between Israel and Hamas has divided college campuses like no other issue in recent memory. Student walk-outs, vigils and protests, along with sharp increases in antisemitism and Islamophobia, have left many students feeling unsafe, have outraged parents and have prompted harsh public criticism of what many see as tepid responses from university leaders. Student arrests at Dartmouth, violence at Tulane, threats to destroy the kosher dining hall at Cornell, dueling faculty letters at Columbia, donor revolts at the University of Pennsylvania, Harvard, and elsewhere, doxing campaigns against student activists, employer warnings, and rescissions of job offers are fueling...