What can Americans learn from the Olympics spectacle? According to the IMF, China will succeed America as the dominant economic power in the course of the next presidential term, so Howard Fineman, editorial director of the Huffington Post and MSNBC mainstay, was anxious to pick up tips. 'Brits long ago lost their empire,' he tweeted, 'but overall show us how to lose global power gracefully.' So there's that.