The greatest harvest spectacle the world has ever seen is rushing toward its finish this week. Half a million thundering combines with dust devils spiraling like proud sentinels above their clattering jaws are cutting through 140 million acres of U.S. corn and soybean fields, night and day, lifting a golden bounty that will break every record in the books.
Official estimates from the U.S. Department of Agriculture put the corn crop at 9.6 billion bushels, up a staggering 52% over last year's flood-ravaged crop of 6.3 billion. As the sun rose day after day in mild, cloudless skies only to be...