With all 40 of the eyes of G20 finance ministers riveted on the questions of bankers’ bonuses and exit strategies when they met in London, the issue of creeping protectionism seems to have been ignored, or at least kept out of public view. Not a bad idea from the point of view of the world leaders due for a follow-up meeting. After all, they unanimously pledged at the previous summits in Washington and London to avoid protectionist measures, and then dashed home to adopt a record number of such measures.