BOSTON -- The highlight of Day One of the Democratic convention was the appearance of former President Bill Clinton, who gave a passionate speech on the theme ''My Book Is for Sale,'' after which the delegates unanimously nominated him for another term. No, they didn't, but they would if they could. The Democrats haven't totally gotten over pining for Bill. Remember when you were in high school, and you really wanted to go to the prom with a gorgeous girl, but you couldn't ask her because she was really popular and already had served two terms as president of the...