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Photo by: Brennan Linsley

A protester carries a sign and wears a pin during a pro-coal rally in front of the state Capitol, in Denver, Wednesday Oct. 30, 2013. Various industry groups came together for the protest Wednesday, while nearby the Environmental Protection Agency held hearings on future rules to stem emissions from existing power plants, in one of 11 meetings being held across the country. (AP Photo/Brennan Linsley)

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