There has been only a civil rights movement, whose tone of voice was adapted to an audience of liberal whites.
A joke is not a thing but a process, a trick you play on the listener's mind. You start him off toward a plausible goal, and then by a sudden twist you land him nowhere at all or just where he didn't expect to go.
This future is ours to embrace. Whether we, the established generations, choose to accept that is in our court.