Tony Stewart wins at Las Vegas
Kobalt Tools 400
Credit: Getty Images for NASCAR
LAS VEGAS, NV - MARCH 11: Kasey Kahne, driver of the #5 Farmers Insurance Chevrolet, and Dale Earnhardt Jr., driver of the #88 National Guard/Diet Mountain Dew Chevrolet, lead the field to the green flag to start the NASCAR Sprint Cup Series Kobalt Tools 400 at Las Vegas Motor Speedway on March 11, 2012 in Las Vegas, Nevada. (Photo by Ronald Martinez/Getty Images for NASCAR)
