Politicians everywhere should have to take a version of the Hippocratic Oath, swearing the laws they enact to solve problems won’t make the situation worse—for instance, by increasing costs in exchange for doing nothing more than limiting freedom of choice. Politicians in Maine should be the first to adopt this new pledge. In response to complaints about high prices and poor service, they have repeatedly meddled in the state’s highly regulated power market by adding new requirements and mandates, increasing energy costs and undermining reliability. Maine’s electric power supply is an overregulated oligopoly. In return for a guaranteed minimum -amount…