PolyConundrum

Pruitt dismisses climate science, environmental policy in flux

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Scott Pruitt, the new head of the Environmental Protection Agency, defied longstanding scientific consensus in an interview this week when he said that neither human activity nor carbon dioxide emissions are the primary cause of global warming. Pruitt has stacked his staff with like-minded climate change skeptics. Washington Post reporter Brady Dennis joins Hari Sreenivasan to discuss.