Don Cupitt believes that a new and truly global religious consciousness has been quietly easing itself in around the world. It does not need any visible organization and does not make any non-rational doctrinal claims. It is the religion of life-a secular, purely this-worldly, and radically-democratic affirmation of ordinary life. Where prescientific ages saw Heaven, he says, we see only sky. We have given up belief in a supernatural world, and we...