When Winston Churchill was a boy, his boarding school teacher said of the future British prime minister in a report card: ``Constantly late for school, losing his books and papers and various other things into which I need not enter: He is so regular in his irregularity that I really don't know what to do.'' A schoolteacher's complaint like this in a report card would cause any parent immeasurable distress. Inevitably, young Churchill's grades were the worst in his class. This seems incredible, given that he went on to become one of the 20th century's greatest statesmen. Saddened, his mother...