Take one brick out of a foundation, and it is barely noticeable. Take enough bricks out, and the entire building can crumble. This is happening to the rules that protect our nation's water, air, and natural resources—and it is bad news for the Chesapeake Bay and human health. Dozens of regulatory rollbacks have been proposed and finalized over the last few years. These rollbacks will strip protections for thousands of miles of wetlands and streams across the watershed, allow more air pollution that harms our health, disproportionately impact communities of...