Christian Science Monitor: For the past decade, power customers eager to wean the United States off fossil fuels could do something about it: Pay a few extra dollars to bring energy from wind, cow dung, and other renewable sources to the grid. Now these pioneers are at risk of getting swallowed up by a stampede of government green-energy programs. At least 29 states have mandated standards requiring utilities to bring more renewable energy on line. Congress is considering federal standards, too. So utilities …