Thomas P.M. Barnett

After having cooperated to an unprecedented degree -- on stimulus spending and new bank rules, for instance -- to avoid a global meltdown these past two years, the world's major economies now appear ready to turn on one another with truly self-destructive vengeance. Poorly informed Americans are increasingly convinced that free trade pacts -- and not our uniquely high corporate tax rates -- are responsible for sending jobs overseas, and they want to see China punished with tariffs on its imports for its undervalued currency. With China's neighbors intervening heavily to keep their own currencies from rising too high in response, global chatter about the unfolding "currency war" has reached a fever pitch . Is this any way to manage a tenuous global economic recovery?

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