WaPo Editorial Board: 'For a variety of reasons that E.U. officials should have anticipated, the market for carbon permits has all but collapsed...European governments have proved themselves to be incompetent central planners, counter-productive and wary of thinking pragmatically...Only a few years ago, it would have been outrageous to claim that the United States would ever be on a better emissions trajectory than Europe. Yet it is now burning less coal even as Europe burns more. That partially reflects the fact that the United States is only now taking steps mandating greater fuel efficiency for cars. But it is also the result of a practical embrace of natural gas and the continued use of nuclear power'