Recent popular books by atheist authors have spawned a new generation of Christian apologists. The latest rebuttal is “The Faith: What Christians Believe, Why They Believe It and Why It Matters,” by Chuck Colson, the convicted Watergate felon turned prison reformer. Colson was Nixon’s special counsel, a man so ruthless that, according to legend, he once said he’d kill his own grandmother for his boss; now he argues on behalf of Jesus. He spoke with NEWSWEEK’s Lisa Miller.