When the sun goes down, the wind picks up in central New Mexico, whipping through arid canyons with a ghostly howl that for centuries, locals have likened to the wails of the folkloric ghost La Llorona.  A few hours east of Albuquerque, this June, those gusts began powering the largest wind farm this continent has ever seen, twirling over 900 colossal steel turbines. Each is as tall as the Statue of Liberty, scattered across a patch of desert roughly the size of Chicago. They plug into a 550-mile transmission line stitched across the Southwest and are now powering over one million ho...