Going Rogue brims with testimony about Palin's Christian faith. Its opening pages relate how Palin's daughter Piper literally became the poster child for the antiabortion group Alaska Right to Life by posing for a picture with "pretend angel wings fastened to her soft shoulders." The book's final paragraph, meanwhile, reads like an altar call, the part of a church service when pew sitters are invited to commit their lives to Christ. "I do know there is a God," the former Alaska governor writes. "My life is in his hands. I encourage readers to do what I did many years ago,...