A group of US business leaders has demanded that Harvard University release the names of students who were part of organizations that signed a letter blaming Israel for deadly attacks by Hamas that triggered a severe escalation of violence across Israel and Gaza. Several chief executives called for the names to be made public so that they, and others, could know not to hire the students once they leave Harvard. Bill Ackman, a billionaire hedge fund manager and chief executive of Pershing Square, tweeted that he and other business leaders believe the “names of the signatories should be made public...