President Barack Obama walks with first lady Michelle Obama, and daughter Sasha Obama 8, to Air Force One as he departs from Andrews Air Force Base, Md., Sunday, Aug. 23, 2009. The first family flew to Martha's Vineyard in Massachusetts for a week-long escape from Washington.
President Barack Obama walks with first lady Michelle Obama, and daughters Malia Obama, 11, left, and Sasha Obama, 8, as they step off Air Force in the Cape Cod Coast Guard Air Station in Bourne, Mass., Sunday, Aug. 23, 2009.
President Barack Obama escorts his daughter Malia, as Michelle Obama, top right, escorts her daughter Sasha down the stairs from Air Force One after arriving at the Cape Cod Coast Guard Air Station in Bourne, Mass., en route to a vacation on Martha's Vineyard, Sunday, Aug. 23, 2009.
Pedestrians walk past a chalk board outside a restaurant advertising food and drinks featuring names that draw inspiration from President Barack Obama, in the downtown section of Oak Bluffs, Mass., on the island of Martha's Vineyard, Monday, Aug. 24, 2009. The first family arrived on Martha's Vineyard Sunday afternoon.
Passers-by appear reflected in a store-front window in Oak Bluffs, Mass., along with a tee shirt printed to honor the visit of President Barack Obama to the island of Martha's Vineyard, Monday, Aug. 24, 2009. The first family arrived Sunday afternoon, just after Hurricane Bill cleared the general area.
President Barack Obama walks along a fairway on the back nine of the Farm Neck Golf Club in Oak Bluffs, Mass., Monday, Aug. 24, 2009.
Members of the United State Secret Service counter-assault team survey a fairway of the Farm Neck Golf Club before President Barack Obama played through in Oak Bluffs, Mass., Monday, Aug. 24, 2009.
President Barack Obama signs an autograph as he arrives at Mink Meadows Golf Club to play golf, Tuesday, Aug. 25, 2009, in Vineyard Haven, Mass.
President Barack Obama holds golf clubs as he waves from the green of the sixth hole at the Mink Meadows Golf Club in Vineyard Haven, Mass., Tuesday, Aug. 25, 2009.
President Barack Obama putts on the ninth green at the Mink Meadows Golf Club, Tuesday, Aug. 25, 2009, in Vineyard Haven, Mass.
President Barack Obama, first lady Michelle Obama, and daughters Malia Obama, 11, and Sasha Obama, 8, order lunch at Nancy's on Wednesday, Aug. 26, 2009, in Oak Bluffs, Mass.
First lady Michelle Obama walks with daughter Malia Obama, 11, right, Sasha Obama, 8, while they wait to get lunch at Nancy's on Wednesday, Aug. 26, 2009, in Oak Bluffs, Mass.
First lady Michelle Obama shakes the sand and water out of the hair of daughter Malia Obama, 11, as daughter Sasha Obama, 8, the president's brother-in-law Konrad Ng, center, and White House staff member Tommy Vietor, right, look on while they waited to get lunch at Nancy's, Wednesday, Aug. 26, 2009, in Oak Bluffs, Mass.
President Barack Obama, wearing a Chicago White Sox cap, with daughter Malia Obama, 11, waits for lunch on Wednesday, Aug. 26, 2009, in Oak Bluffs, Mass.
President Barack Obama, with daughters Malia Obama, 11, left, and Sasha Obama, 8, and brother-in-law Konrad Ng, gets lunch at Nancy's, Wednesday, Aug. 26, 2009, in Oak Bluffs, Mass.
President Barack Obama, second from left, pauses on his bike ride with his family and friends including Sasha Obama, 8, right, while on vacation on Martha's Vineyard on Lobsterville Beach in Aquinnah, Mass., Thursday, Aug. 27, 2009.
President Barack Obama, brother-in-law Konrad Ng and first lady Michelle Obama look out near the top of Gay Head Lighthouse while on vacation on Martha's Vineyard in Aquinnah, Mass., Thursday, Aug. 27, 2009.
Malia Obama, 11, left, and Sasha Obama, 8, center, with a family friend, look out from Gay Head Lighthouse while on vacation on Martha's Vineyard in Aquinnah, Mass., Thursday, Aug. 27, 2009.
President Barack Obama and daughters Malia Obma, 11, right, and Sasha Obama, 8, stop in to pick up some things at a store while on vacation on Martha's Vineyard in West Tisbury, Mass., Sunday, Aug. 30, 2009.(AP Photo/Alex Brandon)
President Barack Obama walks down the stairs of Air Force One, with daughters Sasha, front, and Malia, center, Sunday, Aug. 30, 2009, at Andrews Air Force Base, Md., upon their arrival from a vacation in Martha's Vineyard.