"Strikingly few Americans know who wrote their nation's basic political charter. Even fewer know that he was a peg-legged ladies' man with a wicked sense of humor, a staunch opponent of slavery, and an unabashed elitist. Gouverneur Morris has been called "the most colorful man in North America" at the time of the founding, and he was a dominant figure at the Philadelphia Convention of 1787. In fact, he spoke more often, proposed more motions, and...