USA Today: Among the many people with concerns about the enormous wind turbines being built here, count Jing Xiuwan. “Once the windmills start turning, it will rain much less,” says Jing, 56, a farmer. “Everyone is worried.” That’s a myth — a common one in China. Yet the Chinese government and industry groups have legitimate worries about a wind power grid that they say has expanded too fast and with too little regulation. China, the world’s third-largest economy, has made green …