Perhaps youthful celebrities like Britney Spears and Lindsay Lohan are more to be pitied than blamed. Certainly, one branch of their education has been sadly neglected: No one has ever taught them how young ladies climb out of vehicles -- knees together, both legs lifted simultaneously, torso swiveled, feet placed firmly on the pavement. In recent days, this oversight has evolved into something of a public spectacle. Websites devoted to celebrity gossip have featured plenty of pictures of Britney Spears and Lindsay Lohan climbing out of cars. The problem is this: Young women like Lohan and Spears are, in fact,...