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Clean Air

GAO's Stephenson elaborates on recent reviews of 'Clear Skies,' mercury, climate

In recent months, the Government Accountability Office -- the investigative arm of Congress -- has released reports scrutinizing everything from federal spending on climate change research to the White House's "Clear Skies" proposal. During today's OnPoint, John Stephenson, director of natural resources and environment at the Government Accountability Office, discusses some of GAO's reports, including studies on mercury regulations and Mexican power plants. Plus, he explains how GAO stays neutral during heated political debates, and looks at some of the agency's major accomplishments.