Sun, 12/10/2023 - 21:27 Tech Insider Bill Ackman (left) and Claudine Gay (right).Sylvain Gaboury/Patrick McMullan via Getty Images; Kevin Dietsch/Getty Images Tags Education, insider-news, bill-ackman, UPenn, Harvard, MIT, antisemitism Source With UPenn's president out, Bill Ackman is now lasering in on Harvard and MIT's…