This 23-year-old chairman of SNCC intended to deliver a sp…

  This 23-year-old chairman of SNCC intended to deliver a speech at the 1963 March on Washington in which he would claim, “The time will come when we will not confine our marching to Washington. We will march through the South, through the heart of Dixie, the way Sherman did. We shall pursue our own scorched earth policy and burn Jim Crow to the ground.” Please identify the speaker and what happened to the speech