It seems impossible that as NASCAR staged its 63rd Daytona 500 on Sunday at Daytona International Speedway, it has been 20 years since the great Dale Earnhardt lost his life in Turn 3 of the 2001 race. Earnhardt was battling with several charging cars for third place when contact first from Sterling Marlin and then others occurred. Earnhardt’s car got turned and hit the wall with near-simultaneous contact from the car of Ken Schrader. An extensive investigation helped steer stock car racing’s...