Published Jan 09, 2024 05:12PM ET 2/2 © Reuters. FILE PHOTO: Bill Ackman, CEO of Pershing Square Capital, speaks at the Wall Street Journal Digital Conference in Laguna Beach, California, U.S., October 17, 2017. REUTERS/Mike Blake/File Photo 2/2 By Svea Herbst-Bayliss (Reuters) - Billionaire hedge fund manager William Ackman, who joined other Harvard graduates in successfully calling for the university's president Claudine Gay to resign, is pressing forward with his efforts to reshape the Ivy League school's governance by backing a bid by four dissident alumni to join its board of overseers. The development represents a new challenge to the...