WASHINGTON, DC - NOVEMBER 30: Natural Resources Defense Council Executive Director Peter Lehner speaks during a forum on "Natural Gas Hydraulic Fracturing on Public Lands" at the Department of ... more 
WASHINGTON, DC - NOVEMBER 30: Natural Resources Defense Council Executive Director Peter Lehner speaks during a forum on "Natural Gas Hydraulic Fracturing on Public Lands" at the Department of Interior November 30, 2010 in Washington, DC. The forum, on the process in which rock is fractured to access gas wells, included government officials, representatives of the oil and gas industry and environmental advocates. (Photo by Chip Somodevilla/Getty Images) less 
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Getty Images | Photo By Chip Somodevilla / Getty Images
Thu, Dec 2, 2010 11:59 PM EST