We are on the downhill slope of an unprecedented corn harvest. When the final tally is done, the U.S. corn crop of 2013/14 will be record large, exceeding the old record by hundreds of millions of bushels. It is even possible that despite reducing its harvested acreage number in next week's WASDE, USDA will still come up with an estimate of 14 billion bushels of U.S. corn production. There will be no record-setting drama attached to the soybean production estimate, but it should still be a big crop  Something between 3.2-3.3 billion bushels would not surprise. After dealing with a few years of relatively small production lined up against strong demand, markets might view the big fall crops of 2013 as a novelty.However, demand for U.S...