A Happy Marriage Isn't Always A Faithful One

Photographed By Jessica Nash.From Fatal Attraction to Scandal, adultery is almost always portrayed exactly the same way in the media -- as the product of a seriously unhappy, dysfunctional relationship. Of course, most of us are experienced (cynical?) enough to know that it's rarely, if ever, that simple. Recent research suggests that our marriages are happier than ever before, and most people who have affairs don't want to leave their spouses. So, why do people cheat? Slate's Hanna Rosin sat do...