President Barack Obama shakes hands with a young girl after arriving at Miami International Airport in Miami, Fla., April 29, 2011.

President Barack Obama shakes hands with a young girl after arriving at Miami International Airport in Miami, Fla., April 29, 2011.

President Barack Obama, First Lady Michelle Obama, daughters Sasha and Malia, and Marian Robinson, stand on the viewing platform where they would have watched the launch of the Space Shuttle Endeavor at the Kennedy Space Center in Cape Canaveral, Fla., April 29, 2011. The launch was delayed due to an electrical heating problem.

President Barack Obama, First Lady Michelle Obama, daughters Sasha and Malia, and Marian Robinson, stand on the viewing platform where they would have watched the launch of the Space Shuttle Endeavor at the Kennedy Space Center in Cape Canaveral, Fla., April 29, 2011. The launch was delayed due to an electrical heating problem.

President Barack Obama and the First Family arrive at the Towway Landing Zone at the Kennedy Space Center in Cape Canaveral, Fla., April 29, 2011.

President Barack Obama and the First Family arrive at the Towway Landing Zone at the Kennedy Space Center in Cape Canaveral, Fla., April 29, 2011.

President Barack Obama, First Lady Michelle Obama, and daughter Sasha order ice cream at Bruster’s in Panama City Beach, Fla., Aug. 15, 2010

President Barack Obama, First Lady Michelle Obama, and daughter Sasha order ice cream at Bruster's in Panama City Beach, Fla., Aug. 15, 2010

President Barack Obama and daughter Sasha steer the "Bay Point Lady" during a tour of St. Andrews Bay off Panama City Beach, Fla., Aug. 15, 2010

President Barack Obama and daughter Sasha steer the "Bay Point Lady" during a tour of St. Andrews Bay off Panama City Beach, Fla., Aug. 15, 2010

Aug. 15, 2010 "Back in the Gulf Coast for a weekend, the President and First Lady toured St. Andrews Bay on a boat in Panama City Beach, Fla. I noticed their hands touching as they held the rail on the boat."

Aug. 15, 2010
"Back in the Gulf Coast for a weekend, the President and First Lady toured St. Andrews Bay on a boat in Panama City Beach, Fla. I noticed their hands touching as they held the rail on the boat."

President Barack Obama and First Lady Michelle Obama’s hands rest on the railing of a boat during their tour of St. Andrews Bay in Panama City Beach, Fla., Sunday, Aug. 15, 2010.

President Barack Obama and First Lady Michelle Obama’s hands rest on the railing of a boat during their tour of St. Andrews Bay in Panama City Beach, Fla., Sunday, Aug. 15, 2010.

President Barack Obama and First Lady Michelle Obama react to daughter Sasha’s hole in one while playing miniature golf at Pirate’s Island Golf in Panama City Beach, Fla., Saturday, Aug. 14, 2010.

President Barack Obama and First Lady Michelle Obama react to daughter Sasha's hole in one while playing miniature golf at Pirate's Island Golf in Panama City Beach, Fla., Saturday, Aug. 14, 2010.

President Barack Obama (hand, at right) greets members of the U.S. Coast Guard after making a statement at the U.S. Coast Guard Panama City District Office, Panama City, Fla, Saturday, Aug. 14, 2010.

President Barack Obama (hand, at right) greets members of the U.S. Coast Guard after making a statement at the U.S. Coast Guard Panama City District Office,  Panama City, Fla, Saturday, Aug. 14, 2010.

President Barack Obama, First Lady Michelle Obama, Florida Gov. Charlie Crist and Navy Secretary Ray Mabus hold a roundtable discussion with business owners and officials at the United States Coast Guard district office in Panama City, Fla., Saturday, Aug. 14, 2010.

President Barack Obama,  First Lady Michelle Obama, Florida Gov. Charlie Crist and Navy Secretary Ray Mabus hold a roundtable discussion with business owners and officials at the United States Coast Guard district office in Panama City, Fla., Saturday, Aug. 14, 2010.