Democratic presidential hopeful US Sen Hillary Clinton walks across the tarmac past secret service agents after getting off of her campaign plane...
{"Image ImageDescription": "SIOUX FALLS, SD - JUNE 02:  Democratic presidential hopeful U.S. Sen. Hillary Clinton (D-NY) walks across the tarmac past secret service agents after getting off of her campaign plane June 2, 2008 in Sioux Falls, South Dakota. Senator Clinton is campaigning throughout South Dakota ahead of Tuesday's presidential primaries in Montana and South Dakota.  (Photo by Justin Sullivan/Getty Images)", "Image Copyright": "2008 Getty Images"}