Major social movements eventually fade into the landscape not because they have diminished but because they have become a permanent part of our perceptions and experience.
Healthy people are those who live in healthy homes on a healthy diet; in an environment equally fit for birth, growth work, healing, and dying... Healthy people need no bureaucratic interference to mate, give birth, share the human condition and die.
Whenever you deal with science fiction you are setting up a world of rules. I think you work hard to establish the rules. And you also have to work even harder to maintain those rules, and within that find excitement and unpredictability and all that stuff.

