Due to demand, US farmers are growing more corn than they have since WWII. Now, researchers are looking at all those green fields and their possible effect on local weather patterns. Fred Bumb has been growing corn for nearly 60 years in the bottomlands of Vanderburgh County. Bumb credits good weather with this year's strong crop, "There's so many things about farming that you have to depend on, such as the good lord and the weather." How the weather affects crops is obvious, but new research from a Canadian climatologist shows the opposite may also be true. The explosive growth...