I have noted in this article that China and the U.S. are the key to building an international climate regime. And now this article in the NY Times, and its money quote:

Jo Leinen, the German Social Democrat who leads the delegation from the European Parliament, lashed out at both superpowers on Wednesday afternoon. “What is really frustrating to see is this conference is again hijacked by the Ping-Pong game between the U.S. and China,” he said. “It is unacceptable and no more tolerable that this game is blocking the overall process. Now that China has done some moves, let’s test their seriousness. I don’t see the same commitment, the same signals from the U.S. The one is not yet ready; the other is not willing. We really have a problem.”