WEB rns-obama-legacyf-010917

President Barack Obama and First Lady Michelle Obama join former First Lady Laura Bush, Rep. John Lewis, D-Ga., and former President George W. Bush for a prayer during the event to commemorate the 50th Anniversary of Bloody Sunday and the Selma to Montgomery civil rights marches, at the Edmund Pettus Bridge in Selma, Ala., on March 7, 2015. Photo courtesy of The White House/Pete Souza