Inevitable disagreements. Is it actually possible to decide on the outcome of the G20 as far as Europe is concerned? I admire commentators who have already gauged the outcome of the summit from the global viewpoint, and I also admire the political forces that are already describing - in advance - how the summit will impact on the global economy - and are reaching different conclusions, as it happens. Some say that a new epoch is opening, while others say the summit was a failure. How can...