CNN — Columbia University says it’s placed three administrators on leave pending a university investigation of a weeks-old incident at an alumni reunion event. The university, which reiterated its commitment to combatting antisemitism, did not share any specifics for the leave. But the Washington Free Beacon and later the Columbia Spectator published images or descriptions of school officials purportedly sharing messages during a May 31 panel discussion that focused on Jewish life on campus amid tensions over the war abroad. Columbia College Dean Josef Sorett said in a statement to the Spectator that he “deeply regret(s)” his role in the...