President Biden has issued new protections for U.S. waters, banning new drilling off the Atlantic coast; the eastern Gulf of Mexico; the Pacific coast off California, Oregon and Washington; and part of the Bering Sea. While environmental groups hailed the move, President-elect Trump responded by vowing to reverse the ban immediately upon taking office, and fulfilling his campaign promise to “drill, baby, drill.” It’s not clear if Trump can do so without going through Congress.