Scott Pruitt, the embattled head of the Environmental Protection Agency, is facing a host of new scandals: a $43,000 soundproof phone booth, a security detail to Disneyland, and even using a siren on his car to get to a restaurant faster. But Vox’s Umair Irfan says that behind these controversies, Pruitt’s EPA has been one of the most consequential government agencies in the Trump administration.