16.9 percent, according to Intrade.com, an online betting site — down from 59 percent last summer, but up from 12.7 percent late last month. 

Price for A cap and trade system for emissions trading to be established in the United States at intrade.com

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Odds on cap-and-trade getting through by the end of 2011 are now at 25 percent, an all-time low.

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