FILE - In this June 22, 1963, file photo, U.S. Attorney General Robert F. Kennedy, left, speaks with civil rights leaders, beginning second from left, the Rev. Martin Luther King Jr., head of the Southern Christian Leadership Conference; Roy Wilkins, executive secretary of the NAACP; and A. Phillip Randolph, president of Brotherhood of Sleeping Car Porters, on the White House grounds in Washington, D.C. Civil rights lawyer Joseph Rauh stands in the background at center. Nearly 50 years after Kennedy's assassination, a new documentary series on his life and transformation into a liberal hero has come to Netflix. 