The basic John Kennedy story says his speech on religious tolerance was a great step for Catholics in America. It's a very nice story; too bad it isn't true.“The Catholic Church benefited enormously from the JFK presidency,” pollster Larry Sabato wrote Monday morning. “Prejudice against Catholics declined and millions were exposed to church rituals. Church leaders welcomed the ‘JFK effect.'”“Now at last there is a second Catholic [president],” he continued, “and what do some in the hierarchy do? They ruin it.”“A little more than 60 years [after President John F. Kennedy’s speech on accepting Catholics in American politics], a second...