My guess is that nuclear weapons will be used sometime in the next hundred years, but that their use is much more likely to be small and limited than widespread and unconstrained.
As far as a truly radical conscience, you have to take it as part of a larger thing, that it was sort of historical inevitability that with the coming of a leaguer society people would start to use drugs a lot more then they had before.
What is character but the determination of incident? What is incident but the illustration of character?