F ather Peter Donohue, the president of Villanova University, was having lunch with a few of the school’s alums in a Chicago restaurant on Thursday when word got out that white smoke was billowing from the Sistine Chapel, signaling the election of a new Pope. Donohue asked the restaurant staff to turn up the TV sound. He knew his fellow Villanova alum, Cardinal Robert Francis Prevost —a Chicago native who graduated from the Philadelphia-area school in 1977, two years after Donohue—took part in