You've either done it or know someone who has: the one-night stand, the familiar outcome of a night spent at a bar, sometimes the sole payoff for your friend's irritating wedding, or the only relief from a disastrous vacation. Often embarrassing and uncomfortable, occasionally outlandish, but most times just a necessary and irresistible evil, the one-night stand is a social rite as old as sex itself and as common as a bar stool. Enter Chelsea Handler....