In a speech to a wounded nation, presidential hopeful Mitt Romney returned to his roots of faith in the face of a national tragedy.-SNIP-The Bible-laden references in Romney's speech also signal to evangelicals who worry about his Mormon faith that he is drawing from a familiar text."I think he's growing more comfortable and today's speech is further evidence of that, talking about his faith in the public arena," said Tony Perkins, the head of the Family Research Council. -SNIP- There are still undoubtedly theological tensions between Mormons and evangelicals that won't be resolved in the presidential campaign. "Most of...