This is actually a very important principle that science is learning about large systems like evolution and that futurists are learning about anticipating human society: just because a future scenario is plausible doesn't mean we can get there from here.
The discussion in Washington has changed dramatically. I mean it's no longer a question of should we address entitlements – it's no longer a question of do we need to reduce spending in the future.
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I'm not itching to sue Amazon or Wal-Mart… they sell a lot of books. But the future is very uncertain with books.