OAK BLUFFS, MA - AUGUST 25:  (AFP OUT) U.S. President Barack Obama (C) goes to lunch at Nancy's Restaurant while vacationing on Martha's Vineyard with his family August 25, 2010 in Oak Bluffs, Massachusetts. The Obama's are heading into their last weekend on the island before returning to Washington on Sunday.  (Photo by Darren McCollester/Getty Images)