WASHINGTON, DC – JULY 17: (AFP OUT) U.S. President Barack Obama (L) and first lady Michelle Obama (R) walk with their daughters Sasha (2L) and Malia (2R) through Lafayette Square from St. John’s Protestant Episcopal Church to the White House July 17, 2011 in Washington, DC. The First Family attended Sunday services.(Photo by Brendan Smialowski-Pool/Getty Images)