Republican presidential candidate, former Massachusetts Gov. Mitt Romney arrives at Martha's Vineyard airport for fundraising events on Saturday, Aug. 18, 2012 in West Tisbury, Mass. (

 

              Republican presidential candidate, former Massachusetts Gov. Mitt Romney arrives at Martha
Republican presidential candidate, former Massachusetts Gov. Mitt Romney arrives at Martha's Vineyard airport for fundraising events on Saturday, Aug. 18, 2012 in West Tisbury, Mass. (AP Photo/Evan Vucci)