NASCAR stars at the White House (7 images)

President Barack Obama Wednesday compared Jimmie Johnson's five straight NASCAR Sprint Cup championships to some of sports' greatest dynasties. The race car driver made the traditional pit stop at the White House afforded all sports national champions.
Updated: Sept. 8, 2011 at 10:02 AM
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President Barack Obama greets NASCAR drivers Jeff Gordon as other drivers Jimmie Johnson and Denny Hamlin watch during an event where Obama honored NASCAR Sprint Cup Series Champion Jimmie Johnson, at the White House in Washington, D.C. on September 7, 2011. Obama was joined by Sprint Cup competitors, including Johnson. UPI/Kevin Dietsch
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