Well, as predicted with perfect accuracy here on Thursday, the climate change conference has not proved to be a success.
For the most part it appears that China played a very tough game with the US and led the poorer world astray. Now we have a 'starting position' for the next talks. All very predictable so far.
The idea of the bigger countries doing a deal though is a sound one. The idea that everyone has to buy in is madness.
Why try and get mad Hugo Chavez on board? There is nothing Venezuela can really add and as Chavez takes them back to the stone age their small emissions will fall anyway. On a different level it is the same with Saudi Arabia, they are not going to agree so let's not bother.
In fact, when they next gather in Mexico the thing to do is just invite the really polluters of the world plus some of the countries who may become so; realpolitik will deliver a solution that left-wing attempts at global consensus never will.