U.S. Secret Service agents hold open the door as Republican presidential candidate and former Massachusetts Gov. Mitt Romney gets out of his vehicle before he boards his campaign plane

 

              U.S. Secret Service agents hold open the door as Republican presidential candidate and former Massachusetts Gov. Mitt Romney gets out of his vehicle before he boards his campaign plane
U.S. Secret Service agents hold open the door as Republican presidential candidate and former Massachusetts Gov. Mitt Romney gets out of his vehicle before he boards his campaign plane in San Francisco, Saturday, Sept. 22, 2012. (AP Photo/Charles Dharapak)