Environmental News Network: As presidential contenders gather in Iowa for the beginning of the party selection season, they may have noticed a lot of wind turbines, writes Zachary Davies Boren. And if they have any sense, they will find only nice things to say about them. Wind supplies 30% of the state's power, more than any other US state, and Iowans are all for it. Ted Cruz, mind your words! Today, there are 12 factories in Iowa that build wind-related parts and materials, and wind supports as many as 7,000 jobs. Furthermore,...