Column: Why we'll always fear monsters

Fear continues to saturate our lives: fear of nuclear destruction, fear of climate change, fear of the subversive, and fear of foreigners. But a recent Rolling Stone article about our "age of fear" notes that most Americans are living "in the safest place at the safest time in human history." Around the globe, household wealth, longevity and education are on the rise, while violent crime and extreme poverty are down. In the U.S., life expectancy is higher than ever, our air is the cleanest it's been in a decade and, despite a slight uptick last year, violent crime has been trending down since 1991. Emerging technology and media could play a role.