The Christmas story evokes many touching images. Halos, fresh hay, shepherds carrying newborn lambs, and young motherhood in blue homespun. It's enough to bring tears to the eyes of Christmastime churchgoers. But the Christmas story is more than sentimental--it is powerful. It deals with real people, it involves pain, and it is one of the most strikingly unusual stories in all history. Above all, its main emphasis is not on the infancy of Jesus but...