Someone who refuses to consider voting for a woman as president is rightly deemed a sexist. Someone who'd never vote for a black person is a racist. But are you a religious bigot if you wouldn't cast a ballot for a believing Mormon? The issue arises with Massachusetts Gov. Mitt Romney's as-yet-undeclared bid for the 2008 Republican nomination. Romney would not be the first member of the Church of Jesus Christ of Latter-day Saints to run for the nation's highest office. He follows Orrin Hatch (2000); Mo Udall (1976); his father, George Romney (1968); and not least of all Joseph...