When George Bailey was a kid and working for Mr. Gower, he strapped on his apron, scooped up some chocolate ice cream for Mary, and at hearing she didn't like coconut, was piqued. He pulled out the latest National Geographic to show her there was a wide world to explore, full of coconut--Tahiti, Fiji, the Coral Sea. Mary had never heard of this "new magazine." George: "Of course you never. Only us explorers can get it. I've been nominated for membership in the National Geographic Society." Society : a voluntary association of individuals for common ends. We certainly have formed a lot of those, haven't we? For all of our chest-beating about being independent, masters of our own destiny, we do seem to have a driving need to belong to a larger group. And if we can't find one that is just right, we make one up and call it a society. There's one for every possible profession--doctors, lawyers, bakers, chemists, teachers, nurses--they've all got s...