Washington Post: From his desk at the local electricity cooperative, Bruce Gomm can see the looming black smokestacks of the city’s aging coal-fired power plant. He can also see, on his office wall, framed photographs of sleek new wind turbines. Together, they are a changing world foretold. Gomm is placing a major bet on wind to produce the electrons that will power his customers’ lights and run their dishwashers. He is at the forefront of a movement called community power, the idea that neighborhoods …