The First Family waits with former President George W. Bush, former First Lady Laura Bush prior to the walking across the Edmund Pettus Bridge

President Barack Obama, First Lady Michelle Obama and daughters Sasha and Malia wait with former President George W. Bush, former First Lady Laura Bush prior to the walking across the Edmund Pettus Bridge to commemorate the 50th Anniversary of the Selma to Montgomery civil rights marches, in Selma, Alabama, March 7, 2015.