Tony Stewart wins at Las Vegas
Kobalt Tools 400
Credit: Getty Images for NASCAR
LAS VEGAS, NV - MARCH 11: Tony Stewart, driver of the #14 Mobil 1/Office Depot Chevrolet, leads the field during the NASCAR Sprint Cup Series Kobalt Tools 400 at Las Vegas Motor Speedway on March 11, 2012 in Las Vegas, Nevada. (Photo by Todd Warshaw/Getty Images for NASCAR)
