David Letterman's reason why there are no black drivers in NASCAR #10 - Have to sit upright while driving. #9 - Pistol won't stay under front seat. #8 - Engine noise drowns out the rap music. #7 - Pit crew can't work on car while holding up pants at the same time. #6 - They keep trying to carjack Dale Earnhardt Jr. #5 - Police cars on track interfere with race. #4 - No passenger seat for the Ho. #3 - No Cadillacs approved for competition. #2 - Can't wear helmet sideways. AND THE NUMBER ONE REASON WHY BLACKS CAN'T BE IN NASCAR... #1 - When they crash their cars, they bail out and run! http://www.snopes.com/racial/humor/nascar.asp