FILE - In this Aug. 25, 2012, file photo, driver Tony Stewart throws his helmet at Matt Kenseth's car after the two collided during a NASCAR Sprint Cup Series auto race at Bristol Motor Speedway in Bristol, Tenn. The track forever marketed itself as a raging tempest for drivers to lose their cool and explode in aggressive anger. Jeff Gordon once shoved Matt Kenseth, Tony Stewart threw a helmet, middle fingers are the common form of communication, and tempers are typically teetering right at the boiling point. (Earl Neikirk/Bristol Herald Courier via AP, File)