For American teenagers, getting a driver's license has long been a watershed moment, separating teens from their childish pasts as they accelerate toward the sweet, sweet freedom of their futures. With driver's license in hand, teens are on the road to buying and driving(and maybe even crashing) their first car, a machine which is home to many a teenage ritual--being picked up for a first date, "parking" at a scenic overlook, or blasting the radio...