President Barack Obama and first lady Michelle walk with their daughters Malia and Sasha upon their arrival at the White House in Washington

 
President Barack Obama and first lady Michelle walk with their daughters Malia and Sasha upon their arrival at the White House in Washington
U.S. President Barack Obama waves to reporters as he and first lady Michelle Obama (L) walk with their daughters Malia (R) and Sasha upon their arrival at the White House in Washington following their weekend in Maine July 18, 2010. REUTERS/Richard Clement (UNITED STATES - Tags: POLITICS)