The September USDA reports again verified just how severely U.S. corn and soybean production was impacted by the drought of 2012. We can all still argue about what final yields, harvested acres and crop production will be, but we can't argue about the fact that extreme supply rationing must occur and that the rationing process must occur quickly. Whether or not we add or subtract 100 million bushels of corn production or 40 million bushels of soybean production isn't that important any more. The table below shows total U.S. corn and soybean demand for the previous two marketing years compared with the latest USDA estimate of what it will be in this new marketing year.We must curtail corn consumption by 1.8 billion bushels from the 2010/11...