Tired of conventional wisdom? Check out geopolitical forecaster George Friedman. The period that began at the end of World War II was a freak, he says. "We're returning to a more normal structure in which the nation-state is dominant, international trade is intense but managed by states for their own benefit, and where this idea that the nation-state is obsolete goes away." And find out why he's bullish on Japan and thinks we overestimate China.