In this Aug. 28, 1963 file photo, President John F. Kennedy stands with a group of leaders of the March on Washington, at the White House. From left are Whitney Young, National Urban League; Martin Luther King Jr., Southern Christian Leadership Conference; John Lewis, Student Non-violent Coordinating Committee; Rabbi Joachim Prinz, American Jewish Congress; Dr. Eugene P. Donnaly, National Council of Churches; A. Philip Randolph, AFL-CIO vice president; Kennedy; Walter Reuther, United Auto Workers; Vice-President Johnson, rear, and Roy Wilkins, NAACP. (File | AP)