Since writing my book "Irreligion" and some of my recent Who's Counting columns, I've received a large number of e-mails from subscribers to creation science (who have recently christened themselves intelligent design theorists). Some of the notes have been polite, some vituperative, but almost all question "how order and complexity can arise out of nothing." Since they can imagine no way for this to happen, they conclude there must be an intelligent designer, a God. (They leave aside the prior question of how He arose.) My canned answer to them about biological order talks a bit about evolution, but they...