David Letterman's Top 10 reasons why there are no black NASCAR drivers:
# 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
# 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 - When they crash their cars, they bail out & run.
AND THE NUMBER ONE REASON WHY BLACKS CAN'T BE IN
#1 -They can't wear their helmets sideways.