Black male protesters wearing “I Am A Man” signs as MLK gives speech about the Memphis Sanitation Strike. Narrator: “The right to protest for rights: since Montgomery, a constant refrain of the civil rights movement.” 37,000 people assembled in Washington capitol listening to MLK give speech on the right to vote in the Prayer Pilgrimage on May 17, 1957. A black man (C.T. Vivian) speaks to a white man (Jim Clark) on the steps of the court about black suffrage. Clark has his back turned to him. Vivian: “You can turn your back on me, but you cannot turn your back upon the idea of justice.” Clark hits Vivian down, a woman screams.