One of my consistent themes is that in the post-Christian West, sexual pleasure and hedonism have been elevated to the highest human good. Human beings are driven to ask, "What is the meaning of life," and when God exits stage left, what usually replaces Him is "pleasure." That's natural, of course, since pleasure by its nature is self-reinforcing. "If it feels good, do it" is hardly revolutionary, despite what the hippies said. Without religion, human beings struggle to come up with reasons to deny our darkest desires without appealing to moral standards that are generally rooted in religion, or at...