NASCAR testing
NASCAR testing at Phoenix International Raceway
Credit: Getty Images for NASCAR
AVONDALE, AZ - OCTOBER 23: Tony Stewart, driver of the #14 Office Depot/Mobil 1 Chevrolet, uses his cell phone during NASCAR testing at Phoenix International Raceway on October 23, 2012 in Avondale, Arizona. (Photo by Jeff Gross/Getty Images for NASCAR)
