Mark Martin waves to a fan before practice for the
Daytona 500 at the Daytona International Speedway
in Daytona Beach, Florida February 16, 2008.
The 50th Daytona 500 is scheduled for Sunday.
REUTERS/Mark Wallheiser (UNITED STATES)
A Daytona 500 flag flies over the infield during practice
for the auto race at Daytona International Speedway in
Daytona Beach, Fla., Saturday, Feb. 16, 2008.
(THE ASSOCIATED PRESS/John Raoux)