Raffaella Sadun, a co-chair of Harvard University’s antisemitism task force, has stepped down from the group and will be replaced by Jared Ellias, a law professor specializing in corporate bankruptcy. “Professor Sadun has expressed her desire to refocus her efforts on her research, teaching and administrative responsibilities,” Harvard’s interim President Alan Garber, who appointed the Harvard Business School professor to the task force in January, said in a statement. The Harvard Crimson first reported her resignation. Harvard has come under scrutiny from lawmakers, students, alumni and donors over how it’s handled allegations of antisemitism on campus in the wake of...