FILE - In this March 24, 2013, file photo, rescue workers tend 

FILE - In this March 24, 2013, file photo, rescue workers tend to the wreckage of Denny Hamlin (11) after he collided with Joey Logano on the final lap of the NASCAR Sprint Cup series auto race in Fontana, Calif. NASCAR is not penalizing Tony Stewart for scuffling with Joey Logano on pit road at California, and viewed the crash between Logano and Denny Hamlin as a racing incident.  (AP Photo/Reed Saxon, File)
Associated Press
FILE - In this March 24, 2013, file photo, rescue workers tend to the wreckage of Denny Hamlin (11) after he collided with Joey Logano on the final lap of the NASCAR Sprint Cup series auto race in Fontana, Calif. NASCAR is not penalizing Tony Stewart for scuffling with Joey Logano on pit road at California, and viewed the crash between Logano and Denny Hamlin as a racing incident. (AP Photo/Reed Saxon, File)
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