Harvard’s effort to root out antisemitism has officially entered Keystone Kops territory. Business prof Raffaella Sadun, appointed co-chair of the troubled task force just last month, abruptly resigned over the weekend — reportedly because the task force’s mandate doesn’t include any high-priority changes to actually combat Jew-hatred. The remaining co-chair, meanwhile, is Derek Penslar, an Israel-hating historian who claimed that the problem of Jew-hatred at Harvard had been exaggerated by “outsiders.” And don’t forget the earlier resignation of world-famous Rabbi David Wolpe from the task force, explaining on X that the “system at Harvard” — and “the ideology that grips...