When Pope Benedict XVI attacked Catholic politicians in Mexico who supported abortion rights last month, Rudy Giuliani was asked for his opinion. The presidential candidate replied in the language of the church: "Issues like that are for me and my confessor. I'm a Catholic, and that's the way I resolve those issues, personally and privately." Giuliani has invoked his Catholic heritage on Larry King; he's been described by The Washington Post as a "devout Catholic"; he's appeared on Fox News with the label "Catholic" floating on-screen; and he's handled a CNN debate question about a bishop who denounced him with...