Robin Nagle

America's largest city generates garbage in torrents-11,000 tons from households each day on average. But New Yorkers don't give it much attention. They leave their trash on the curb or drop it in a litter basket, and promptly forget about it. And why not? On a schedule so regular you could almost set your watch by it, someone always comes to take it away. But who, exactly, is that someone? And why is he-or she-so unknown? In Picking Up, the anthropologist...