Most traditional barriers to religion in presidential elections have toppled, a new Los Angeles Times/Bloomberg poll has found. In particular, the survey to be released Monday showed that anti-Semitism and anti-Catholicism are fading as voter taboos. But uneasiness about some religions persists. Thirty-seven percent of those questioned said they would not vote for a Mormon presidential candidate -- and 54 percent said no to the prospect of a Muslim in the White House. In addition, 21 percent said they could not vote for an evangelical Christian. Only 15 percent replied that they would not vote for a Jewish presidential candidate....