AP Photo/Steven Senne
President Barack Obama, left, and his daughter Malia, right, ride bicycles along a path through Manuel F. Correllus State Forest, in West Tisbury, Mass., on the island of Martha's Vineyard, Friday, Aug. 27, 2010, as they are accompanied by members of their security detail behind. The President and his family are vacationing on the island.
AP Photo/Carolyn Kaster
First lady Michelle Obama, and daughter Sasha, ride bicycles in Manuel F. Correllus State Forest in West Tisbury, Mass., while the first family vacations on Martha's Vineyard, Friday, Aug. 27, 2010.
AP Photo/Carolyn Kaster
President Barack Obama, and daughter Malia, ride bicycles in Manuel F. Correllus State Forest in West Tisbury, Mass., while the first family vacations on Martha's Vineyard, Friday, Aug. 27, 2010.
AP Photo/Carolyn Kaster
100825044900 President Barack Obama smiles back at onlookers as he golfs the ninth hole at Mink Meadows Golf Club in Vineyard Haven, Mass., while the first family is vacationing on Martha's Vineyard, Wednesday, Aug. 25, 2010.
AP Photo/Steven Senne
President Barack Obama follows through on a swing while playing golf at the Mink Meadows Golf Club, in Vineyard Haven, Mass., on the island of Martha's Vineyard, Wednesday, Aug. 25, 2010.
AP Photo/Carolyn Kaster
President Barack Obama and first lady Michelle Obama greet people gathered outside Nancy's Restaurant in Oak Bluffs, Mass., while the first family is vacationing on Martha's Vineyard, Wednesday, Aug. 25, 2010.
JEWEL SAMAD/AFP/Getty Images
President Barack Obama and first lady Michelle Obama leave State Road restaurant in West Tisbury, Mass., after dinner with Vernon Jordan and other friends Tuesday, Aug. 24, 2010, on Martha's Vineyard.
JEWEL SAMAD/AFP/Getty Images
President Barack Obama and first lady Michelle Obama leave State Road restaurant in West Tisbury, Mass., after dinner with Vernon Jordan and other friends Tuesday, Aug. 24, 2010, on Martha's Vineyard.
JEWEL SAMAD/AFP/Getty Images
President Barack Obama prepares to leave State Road restaurant after having dinner with First Lady Michelle Obama and other friends on Martha's Vineyard on Aug. 24, 2010. The First Family is vacationing on the Island until Aug. 29.
AP Photo/Carolyn Kaster
President Barack Obama and first lady Michelle Obama leave The Sweet Live Cafe in Oak Bluffs, Mass., after dinging with Valerie Jarrett, Cheryl Whitaker, and Eric Whitaker, while the first family is vacationing on Martha's Vineyard, Monday, Aug. 23, 2010.
AP Photo/Carolyn Kaster
President Barack Obama and first lady Michelle Obama leave The Sweet Live Cafe in Oak Bluffs, Mass., while the first family is vacationing on Martha's Vineyard, Monday, Aug. 23, 2010.
AP Photo/Steven Senne
President Barack Obama, left, waves while playing golf with White House trip director Marvin Nicholson at the Vineyard Golf Club in Edgartown, Mass., on the island of Martha's Vineyard, Sunday, Aug. 22, 2010. The President is vacationing on the island with his family until Aug. 29.
AP Photo/Steven Senne
President Barack Obama, center, returns to his golf cart while playing at the Jim Clyburn , in Edgartown, Mass., on Aug. 20, 2010. House Majority Whip Jim Clyburn of South Carolina, walks with the president at right. It says something when the most exciting moment of a presidential vacation is a trip to the bookstore.
Photo by Rick Friedman-Pool/Getty Images
The motorcade of President Barack Obama travels Aug. 21, 2010, through West Tisbury, Mass., where Mr.Obama and his family are vacationing on Martha's Vineyard.
Photo by Rick Friedman-Pool/Getty Images
A sign welcoming President Barack Obama back to Martha's Vineyard is displayed on a tree in the front yard of a home Aug. 21, 2010, in West Tisbury, Mass.
AP Photo/Carolyn Kaster
President Barack Obama, left, waves to onlookers as he leaves the Bunch of Grapes book store in Vineyard Haven, Mass., with his daughters Malia, right, and Sasha, on Friday, Aug. 20, 2010. The first family is vacationing on the island off the Massachusetts coast.
AP Photo/Carolyn Kaster
President Barack Obama, left, with his daughters Malia, right, and Sasha, leave the Bunch of Grapes book store in Vineyard Haven, Mass., Friday, Aug. 20, 2010.
JEWEL SAMAD/AFP/Getty
Barack Obama waves after shopping at Bunch of Grapes bookstore with his daughters Malia and Sasha in Vineyard Haven on Martha's Vineyard, Mass., on Aug. 20, 2010.
JEWEL SAMAD/AFP/Getty Images)
Malia Obama leaves the Bunch of Grapes bookstore in Vineyard Haven on Martha's Vineyard in Massachusetts, on Aug. 20, 2010. Her sister, Sasha, is behind her and her father is following them out of the store.
Photo by Vincent DeWitt-Pool/Getty Images
The Obamas' Portuguese water dog, Bo, is walked after touching down on Martha's Vineyard on Aug. 19, 2010, in Vineyard Haven, Mass. The Obamas are vacationing on the island Aug. 19-29.
EWEL SAMAD/AFP/Getty Images
President Barack Obama is greeted by Rep. Bill Delahunt, D-Mass, upon arriving at the Cape Cod Coast Guard Air Station in Cape Cod, Mass., on Aug. 19, 2010. He was en route to Martha's Vineyard for a family vacation.
EWEL SAMAD/AFP/Getty Images
President Barack Obama disembarks from Air Force One at the Cape Cod Coast Guard Air Station in Cape Cod, Mass., on Aug. 19, 2010, en route to Martha's Vineyard for a family vacation.
