New York CNN — Harvard University, like many campuses across America, continues to struggle in its contention with hate speech, protests and unrest over the Israel-Hamas war. One of its most prominent donors said Harvard needs to take urgent action to fix the problem, or it could risk a massive donor exodus. Billionaire hedge fund CEO Bill Ackman called on Harvard to take steps to tackle a rise in “blatant antisemitism” and “anti-Israel attacks” on campus. “The situation at Harvard is dire and getting worse, much worse than I had realized,” Ackman said in an open letter to the university’s...