Martin Wolf draws my attention to the G20 communiqué (the really honest version).
 WE, THE LEADERS OF THE G20, are united in our conviction that by working together we can secure a more prosperous future for the citizens of all countries.
 However, empty platitudes aside, if presented with an opportunity to make the citizens of our own country more prosperous at the expense of someone else's country, 20 out of 20 of us will take it, most of the time.
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