COVERAGE of motor racing in the mass media has grown dramatically in recent years. Hardly a day now goes by in the United States without a nationally televised automobile, motorcycle, "monster truck," or powerboat race on either a major network or a cable network devoted to sports.1 Major daily newspapers now cosponsor auto races, most notably the Atlanta Journal 500, and blend advertising for the events with stepped-up news coverage. Organized motorcycle, dirt-bike, and kart racing for teenagers and children attracts an increasing number of participants each year.2 Yet, in contrast to the widespread attention given to head injuries in . . .