Tony Stewart wins at Las Vegas
Kobalt Tools 400
Credit: Getty Images for NASCAR
LAS VEGAS, NV - MARCH 11: Jimmie Johnson, driver of the #48 Lowe's/Kobalt Tools Chevrolet, pits during the NASCAR Sprint Cup Series Kobalt Tools 400 at Las Vegas Motor Speedway on March 11, 2012 in Las Vegas, Nevada. (Photo by Jeff Bottari/Getty Images for NASCAR)
