As I've said in earlier columns, I have no particular skill for predicting the future. I discover the future the same way as most other mortals: one second at a time. But I can predict certain things with uncanny accuracy. For instance, if I send my teenaged son to clean the front bathroom, I know exactly how events are going to transpire. He'll grunt, stomp around a little (just in case I don't realize that cleaning the bathroom is a serious imposition), and eventually gather up a random selection of rags and cleaning products and head down the hall toward...