This is a shame. The wealth gap in the US has been increasing for a long time and now it is accelerating just as in China! Free trade has robbed the US alone of nearly 13-20 million jobs. Both parties seem equally greedy - whether George Soros or Warren Buffet. This culture of hyper-greed is pervasive in Wall Street and it's glorified in popular media.
Here are some interesting papers:
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Read the Article at HuffingtonPost