The protests have divided campuses over the limits of free speech and strained relations among students, faculty, alumni and donors. At Penn, alumnus Marc Rowan has called for its leaders to resign amid charges they have tolerated antisemitism on campus. The reputational damage to Harvard, the oldest US university, began hours after the attack by Hamas, when more than 30 Harvard student groups posted a letter placing the responsibility solely on Israel. Hamas is deemed a terrorist organisation by the US and European Union. Former university president Larry Summers has slammed the institution’s failure to condemn the groups. ‘Students are...