We live in a fear-promoting society. It is the business of advertisers to stoke our anxieties about what we have, what we look like, and whether we are sexually adequate. A dissatisfied consumer is more apt to buy. Likewise, the purveyors of television news attempt to hold our interest by scaring us with stories of violent crime, natural disasters, threatening weather, and environmental hazards ("Is your water safe to drink? Details at eleven.").