Cornell University has cancelled a performance by R&B star Kehlani after complaints to the Ivy League school’s president that she expressed antisemitic and anti-Israel sentiments. Kehlani was scheduled to perform next month as the headliner at an annual celebration at the upstate New York school called Slope Day. But President Michael Kotlikoff said Wednesday he was rescinding the invitation because it has “injected division and discord” into the May 7 event. “In the days since Kehlani was announced, I have heard grave concerns from our community that many are angry, hurt, and confused that Slope Day would feature a performer...