peaceful protest against racial discrimination. it ended with king's historic speech. yesterday's march drew a smaller crowd on a similarly hot august day and among the speakers, the family of the late martin luther king jr. who says his dream is still not a reality. >> dad will probably say now is the time. we must preserve, protect and expand democracy. we must ensure that voting rights is protected for all people. we must ensure that our women and children are treated fairly. we must end gun violence. then maybe one day we will be a great nation. >> as a younger king was speaking in washington the shooting at a dollar general store in jacksonville, florida, left three black americans dead.