Did the world order change in 1989-1991?  Suppose you fell asleep in 1974 and awoke half a century later – what, if anything, would surprise you?  What would not surprise you?  What changed?  What did not change, or at least not fundamentally?  If you could repeat that exercise now, fall asleep for a time and wake up in the future, what might you see?  How does history help, or hinder, our understanding of where we are, and where we might be going?  Who is we?
 

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