No one had really forgotten the 83 dead and 75 injured (some still in the hospital) from last year's 24-hour Grand Prix of Endurance. But the good citizens of Le Mans and the nervous officials of France's Automobile Club de I'Ouest also remembered that les -vingt-quatre heures mean a grand influx of 1) hundreds of thousands of visitors, and 2) coin of the realm. So they worked out a compromise between dollars and danger. They widened the road, beefed up the grandstand, and optimistically wrote some strict rules for cars and drivers.
No hopped-up, overpowered prototypes were allowed in last week's...