Morals: Ah, Wilderness

Sex is usually conducted in the dark, and even when it isn't, most couples would be stunned to learn that some one was watching. But in effect, the participants in the most intimate of human rites have learned in recent years that they may be the most studied, if not physically observed, of all mankind. The fact that the voyeur declares himself a scientist and wears a grave expression is not wholly reassuring.

Wearing his own grave expression, Social Critic Vance Packard (The Hidden Persuaders, The Status Seekers, The Waste Makers) reports on the sexual revolution in his new book,...