Four More Years: Obama 2012: OFA2012_088

October 2, 2012 - Boulder City, NV - President Barack Obama looks out onto the Hoover Dam in Boulder City, NV. (Scout Tufankjian for Obama for America/Polaris)

October 2, 2012 - Boulder City, NV - President Barack Obama looks out onto the Hoover Dam in Boulder City, NV. (Scout Tufankjian for Obama for America/Polaris)