An Israeli-born Columbia University professor who gained notoriety for ripping the school’s failure to address rampant antisemitism on campus revealed this week he’s under investigation by the embattled Ivy — a probe he said is a “clear act of retaliation and an attempt to silence me.” ... “To say that civil rights are being violated does not begin to capture what Jews and Israelis are forced to endure on campus right now, ... Davidai — who considers himself “the most vocal faculty member in the United States and maybe the world” against antisemitism — declined to share details of the...