This time it may be the Democrats who are getting religion. Former Sen. John Edwards invoked "My Lord" when asked about moral influences on his life in the first Democratic presidential debate. At a campaign event on the day of the Virginia Tech massacre, he offered a prayer and — in a pointed break from Democratic candidates' usual wariness of offending religious minorities — closed with the words "in Christ's name." Sen. Barack Obama, D-Ill. comfortably works in references to his faith at public appearances. Even before his presidential candidacy, he gave a well-received speech arguing for a greater role...