CNN: When Rita Bryer sees 300-foot-tall wind turbines sprouting up from the prairie near her home in western Oklahoma, she can’t help but wonder about the view from the top, where blades the size of semi-trucks spin. Schools are adding courses to prepare wind turbine mechanics and other green workers. “Out here, you can see the wind turbines from 10 miles away,” she said. “Think about how far you’ll be able to see when you’re at the top.” So, partly out of curiosity, partly …