America's greatness has been the greatness of a free people who shared certain moral commitments. Freedom without moral commitment is aimless and promptly self-destructive.
Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.
Every revolution evaporates and leaves behind only the slime of a new bureaucracy.

