Europe was behind the agreements reached at Pittsburgh. As far as I am aware, the greater role of the G20, now seen as the main forum for global economic cooperation and not just for finance (although the Pittsburgh summit was convened to sort out finance) has not been criticised by anyone. People recognise of course that the BRICs - Brazil, Russia, India, China - should have their say at global level, and that Africa and the Arab world should also be a permanent presence, along with other...