Democratic presidential hopeful Wesley Clark bows his head in a moment of silence as he faces the balcony at the Lorraine Motel where civil rights leader Martin Luther King Jr. was assassinated in Memphis, Tenn., Wednesday, Feb. 4, 2004. Tuesday night's Oklahoma win gave Clark his first-ever election win and breathed new life into the retired general's campaign for the Democratic presidential nomination. (AP Photo/Charles Dharapak)