When there's nothing, any progress is a success. Now the groaning and gnashing of teeth is over, is it be possible to evaluate the results from the climate summit in Copenhagen last month a little more calmly? I am talking of objectivity from a dual perspective: the importance of the commitments made by participants and the prospects created by these commitments: the role played by Europe. For both aspects, I believe that the assessments have been too negative. The Greens have exaggerated by...