You just might think you've struck a nerve when a guy who goes to work every day at the U.S. Conference of Catholic Bishops to promote interfaith dialogue -- someone who keeps people talking -- hangs up on you. You've certainly struck out, anyway. But "dialogue" with John Borelli, the bishops' staff man on Catholic-Muslim relations, didn't hold much promise after he said he wouldn't comment on an extraordinary article about the desperate plight of Christians in Islamic societies that appeared in La Civilta Cattolica, a Jesuit magazine thought of as the semi-official voice of the Vatican. "I won't comment...