But discussions within such a smaller group would allow government leaders to confront the realities of climate change and engage in direct horse-trading without the static of thousands of other voices desiring to load their issues into the deal.

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Willy-nilly trading is expensive and foolish, but periodically changing weightings and holdings to track new realities is undeniably wise.

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As more world economies falter and Wall Street finds trading and banking volume down and pay packages with it, prices in New York are now starting to reflect these realities more fully.

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