U.S. President Barack Obama steps off Air Force One with U.S. Secretary of Agriculture Tom Vilsack after arriving at Sioux Gateway Airport in Iowa

 
U.S. President Barack Obama steps off Air Force One with U.S. Secretary of Agriculture Tom Vilsack after arriving at Sioux Gateway Airport in Iowa
U.S. President Barack Obama (front) steps off Air Force One with U.S. Secretary of Agriculture Tom Vilsack after arriving at Sioux Gateway Airport in Iowa, September 1, 2012. REUTERS/Larry Downing