Lyndon Johnson actually said...

The Secretary of Defense is authorized and directed to take all appropriate steps to disperse all persons engaged in the acts of violence de...

The Secretary of Defense is authorized to use such of the Armed Forces of the United States as he may deem necessary.

In your hands lies the power to renew for all Americans the great promise of opportunity and justice under law.

Men of all races, all religions, all regions must join together in this hour to deny violence its victory.