> The question - and only question - should be what David Simon asks: are we all in this together or are we not? To me, the answer is blindingly obvious. It's demonstrated by what societies are flourishing - with high economic and social equality, healthy democratic government, protected personal liberties, well-cared-for populaces, and resilient economies - and what societies aren't.

And the blindingly obvious answer is?

Here's my simple model: large, diverse countries are more unequal than small, culturally homogeneous countries. Just like densely-populated, cosmopolitan regions are more unequal than bland suburbs. Just like world is more unequal than the US.