An ongoing controversy over a fundamental Mormon practice now threatens to affect the presidential campaign of Republican Mitt Romney, a faithful Mormon. Mormons believe in posthumous baptisms that offer their version of Christianity to deceased souls. Some Mormons have conducted the rite for prominent Jews and Holocaust victims. But that's prompted Holocaust survivor and Nobel Laureate Elie Wiesel to call on Romney to denounce the practice. Robert Siegel talks to Howard Berkes, who explains the Mormon baptism ritual and the two decade controversy over the baptism of Jews.