Article Photos: Obama inspires many in 50th-year King remembrance 14/22

With Trayvon Martin parents, Sybrina Fulton, and Tracy Martin, and Mark Barden, father of Sandy Hook Elementary School shooting victim Daniel Barden, Peter Yarrow, left, and Paul Stookey, right, of the folk trio Peter, Paul and Mary, perform at the 50th Anniversary of the March on Washington where Martin Luther King, Jr., spoke, Wednesday, Aug. 28, 2013, in front of the Lincoln Memorial in Washington.  (AP Photo/Charles Dharapak)