Feb. 18, 2016, 6:11 PM UTC / Updated Feb. 18, 2016, 6:20 PM UTCBy Andrew Rafferty and Ali VitaliDonald Trump issued a blistering response to Pope Francis on Thursday, saying it is "disgraceful" for the Catholic leader to question his faith and calling the pontiff "a pawn" for the Mexican government.Pope's visit to Mexico highlights U.S. immigration issuesFeb. 16, 201605:37