In an interview with Beliefnet, a multi-denominational Web site that covers religion and spirituality, the Republican presidential hopeful was asked if a Muslim candidate could be a good president.

"I just have to say in all candor that since this nation was founded primarily on Christian principles ... personally, I prefer someone who I know who has a solid grounding in my faith," McCain said. "But that doesn't mean that I'm sure that someone who is Muslim would not make a good president."

Later, McCain said, "I would vote for a Muslim if he or she was the candidate best able to lead the country and defend our political values." ...