Four-time Indy 500 winners from left, Al Unser, A.J. Foyt, Rick Mears, and three-time winner Johnny Rutherford, right, share a laugh during a photo session before the drivers' meeting for the ... more 
Four-time Indy 500 winners from left, Al Unser, A.J. Foyt, Rick Mears, and three-time winner Johnny Rutherford, right, share a laugh during a photo session before the drivers' meeting for the Indianapolis 500 auto race at the Indianapolis Motor Speedway in Indianapolis, Saturday, May 28, 2011. The 100th anniversary running of the Indianapolis 500 is Sunday. less 
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Associated Press | Photo By Paul Sancya
Sat, May 28, 2011 11:28 AM EDT