At least 29 states in the United States'' Midwest are feeling the heat of the Big Dry as oppressive heat and a worsening drought are pushing grain prices near or past records. Corn is a mega-crop and a bad year drives up the price everything from beef to cereal and auto fuel. As crops continue to wilt and falter, farmers and consumers across the globe are hoping for more rain, despite forecasts of dry days ahead. Al Jazeera's John Hendren reports from Rensselaer, Indiana.