One risk facing the group, is seeking a mutual decision that will add little if nothing to the existing efforts to respond on a lager scale. An even greater risk facing the group of leaders is that they are so badly divided, and the outcome is so feeble, that rushed expectations may actually worsen confidence when responding to the global slump.
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Personally, I think the only people coming away with a boost to thier confidence will be either the protesters or the police.