Tilting toward windmills

Dan Drollette writes: Opponents of wind power claim that it's too unreliable, intermittent, unpredictable, and expensive to ever be a major energy source. But on Block Island, Rhode Island — site of North America's first commercial, offshore wind farm — residents found the exact opposite to be true. The Bulletin goes to the smallest town in the smallest state to find out why, in this multimedia package.