President Barack Obama visits with Evan McRae, a nine-year-old Make-A-Wish recipient from Brooklyn, N.Y., in the Oval Office, July 19, 2012. McRae’s mother, Gwendolyn McRae, and godmother, Darlene Harrison, accompanied him during the visit. (Official White House Photo by Pete Souza

First Lady Michelle Obama talks with Joshua Wilkins-Waldron during a “Let’s Move! London” event at Winfield House in London, England, July 27, 2012. (Official White House Photo by Sonya N. Hebert)

First Lady Michelle Obama runs at an activity station during a “Let’s Move! London” event at Winfield House in London, England, July 27, 2012. (Official White House Photo by Sonya N. Hebert)

President Barack Obama hugs a member of the American Legion Boys Nation in the East Wing during their tour of the White House, July 27, 2012. (Official White House Photo by Lawrence Jackson)

First Lady Michelle Obama is picked up by U.S. Olympic wrestler Elena Pirozhkova during a greet with Team USA Olympic athletes competing in the 2012 Summer Olympic Games, at the U.S. Olympic Training Facility at the University of East London in London, England, July 27, 2012. (Official White House Photo by Sonya N. Hebert)

President Barack Obama delivers remarks at the White House International AIDS Conference reception in the East Room, July 26, 2012. (Official White House Photo by Pete Souza)

Vice President Joe Biden watches as President Barack Obama is photographed with Petty Officer Taylor Morris in the Green Room of the White House, July 26, 2012. The President presented a Purple Heart to Morris, who was participating in a tour of the White House with other wounded warriors and their families. (Official White House Photo by Pete Souza)

President Barack Obama laughs with Health and Human Services Secretary Kathleen Sebelius following the official Cabinet group photo in the Grand Foyer of the White House, July 26, 2012. Pictured, from left, are: Energy Secretary Steven Chu; Transportation Secretary Ray LaHood; Education Secretary Arne Duncan; and Attorney General Eric Holder. (Official White House Photo by Pete Souza)

President Barack Obama talks with Vice President Joe Biden and Chief of Staff Jack Lew in the Oval Office, July 26, 2012. (Official White House Photo by Pete Souza)

President Barack Obama signs a photograph as he greets people on the tarmac upon arrival at Louis Armstrong International Airport in New Orleans, La., July 25, 2012. (Official White House Photo by Pete Souza)

President Barack Obama greets patrons and restaurant staff during a local stop at the Gateway Breakfast House in Portland, Ore., July 24, 2012. (Official White House Photo by Pete Souza)

President Barack Obama holds a conference call with advisors aboard Air Force One during a flight to Portland, Ore., July 24, 2012. (Official White House Photo by Pete Souza)

President Barack Obama presents a birthday cake to Personal Secretary Anita Decker in the Oval Office, July 19, 2012. (Official White House Photo by Pete Souza)

President Barack Obama meets with senior advisors in the Oval Office before a phone call with President Vladimir Putin of Russia, July 18, 2012. Pictured, from left, are: Chris Mizelle, Director for Russia and Central Asia, NSS; National Security Advisor Tom Donilon; Chief of Staff Jack Lew; and Denis McDonough, Deputy National Security Advisor. (Official White House Photo by Pete Souza)

First Lady Michelle Obama talks with children attending Camp Noah as they make trail mix at the McAlpine Park Recreation Center in Birmingham, Ala., July 18, 2012. (Official White House Photo by Chuck Kennedy)

President Barack Obama kisses First Lady Michelle Obama for the “Kiss Cam” while attending the U.S. Men’s Olympic basketball team’s game against Brazil at the Verizon Center in Washington, D.C., July 16, 2012. Vice President Joe Biden and Malia Obama look up at the jumbotron. (Official White House Photo by Pete Souza)

President Barack Obama talks with LeBron James as First Lady Michelle Obama hugs Deron Williams during their greet with members of the U.S. Men’s Olympic basketball team at halftime of the game against Brazil at the Verizon Center in Washington, D.C., July 16, 2012. (Official White House Photo by Pete Souza

President Barack Obama talks with coach Geno Auriemma and members of the U.S. Women’s Olympic basketball team following their 99-67 win over Brazil at the Verizon Center in Washington, D.C., July 16, 2012. (Official White House Photo by Pete Souza

President Barack Obama holds a baby while greeting guests during an Independence Day celebration on the South Lawn of the White House, July 4, 2012. (Official White House Photo by Pete Souza)

President Barack Obama talks with people following his visit to Rick’s Cafe in Virginia Beach, Va., July 13, 2012. (Official White House Photo by Pete Souza)

President Barack Obama listens to Sen. Mark Warner, D-Va., aboard Air Force One during a flight to Norfolk, Va., July 13, 2012. Seated, from left, are: Senior Advisor David Plouffe; Jon Favreau, Director of Speechwriting; and former Virginia Governor Tim Kaine. (Official White House Photo by Pete Souza

President Barack Obama blows a kiss to Oren Baer, son of Ken Baer, the departing Associate Director for Communications and Strategic Planning at OMB, during a visit to the Oval Office, July 12, 2012. Baer’s daughter, Avital, and wife, Caron Gremont, watch at left. (Official White House Photo by Lawrence Jackson)

President Barack Obama plays with Katia Wolfsthal, daughter of departing staffer Jon Wolfsthal, Special Advisor to the Vice President for Nonproliferation, in the Oval Office, July 11, 2012. (Official White House Photo by Chuck Kennedy

President Barack Obama runs around his desk in the Oval Office with Sarah Froman, daughter of Nancy Goodman and Mike Froman, Deputy National Security Advisor for International Economics, July 9, 2012. (Official White House Photo by Pete Souza

Guests take pictures as President Barack Obama signs HR 4348, the Transportation and Student Loan Interest Rate bill, during a ceremony in the East Room of the White House, July 6, 2012. (Official White House Photo by Pete Souza)

President Barack Obama shares his strawberry pie with a boy during a lunch stop at Kozy Corners restaurant in Oak Harbor, Ohio, July 5, 2012. (Official White House Photo by Pete Souza)

President Barack Obama talks with people outside Kozy Corners restaurant in Oak Harbor, Ohio, July 5, 2012. (Official White House Photo by Pete Souza)

President Barack Obama and First Lady Michelle Obama watch from the White House roof as fireworks erupt over the National Mall, July 4, 2012. (Official White House Photo by Pete Souza)

President Barack Obama talks with patrons as he waits for his lunch order during a stop at Skyline Chili in Cincinnati, Ohio, July 16, 2012. (Official White House Photo by Pete Souza)

President Barack Obama holds a baby while greeting guests during an Independence Day celebration on the South Lawn of the White House, July 4, 2012. (Official White House Photo by Pete Souza)

First Lady Michelle Obama greets former Olympic swimmer Summer Sanders, right, and her children, Skye and Spider, following a “Let’s Move! London” event at Winfield House in London, England, July 27, 2012. Sanders is serving as part of the U.S. delegation to the 2012 Olympic Games in London. (Official White House Photo by Sonya N. Hebert)

Photo: The White House

Photo: The White House