THE G20 has been around for just over a decade now, but with the
onset of deep financial crisis in 2008, the loose affiliation of
major economies took on new importance. In the fall of that year
President George W. Bush called for regular meetings of G20
leaders to discuss the state of the world economy and the global
financial system. Since then, four G20 summits have taken place,
the most recent of which was in Toronto this past weekend.  The
general pattern of activity surrounding meetings is fairly
straightforward. In the weeks before a summit, journalists toss
around which issues are likely to be important while member
states make statements and small policy moves to position
themselves to avoid criticism or seize the initiative. Then the
leaders knock heads for a few days, before coming together to
issue a bland and largely impenetrable communique. Issues
unlikely to be resolved at the G20 are usually ruled off the
agenda before the summit (as happened to the international bank
tax proposal) or are sett