The Rev. Ralph Abernathy, right, and Bishop Julian Smith, left, flank Dr. Martin Luther King, Jr., during a civil rights march in Memphis, Tenn., March 28, 1968. (AP Photo/Jack Thornell)
CIVIL RIGHTS LEADERS MARCH
The Rev. Ralph Abernathy, right, and Bishop Julian Smith, left, flank Dr. Martin Luther King, Jr., during a civil rights march in Memphis, Tenn., March 28, 1968. (AP Photo/Jack Thornell)