Northwestern University President Michael Schill was grilled for several hours by lawmakers in Congress Thursday morning about the rise of antisemitism on campus — including allegations that a Jewish student at the elite Big Ten school was recently assaulted and a student wearing a yarmulke was spat upon. Schill, who described himself as a Jewish descendent of Holocaust survivors, acknowledged the recent “disturbing spike in antisemitism” when he testified before congressional members during a hearing in Washington titled “Calling for Accountability: Stopping Antisemitic College Chaos.” He said no students have been suspended or expelled for antisemitic incidents, though there have...