FILE -- Scott Pruitt, President Donald Trump's nominee to lead the Environmental Protection Agency, during a confirmation hearing on Capitol Hill in Washington, Jan. 18, 2017. The Senate on Feb. 17 confirmed Pruitt as head of the EPA, putting a seasoned legal opponent of the agency at the helm of Trump�s efforts to dismantle major regulations on climate change and clean water. (Gabriella Demczuk/The New York Times)
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