Pondering the combined reports as a whole, we cannot escape the bottom-line feeling that their overall tone is bearish. However, there are several "passages" through which markets must pass that are capable of producing bullish market excitement.USDA's always important January reports have come and gone, and bulls and bears could each claim something by way of support. In fact, there were few real surprises. Probably the two most unexpected factors in the reports were the 2.4 bushels/acre reduction in the average U.S. corn yield and USDA's startling low estimate of U.S. winter wheat planted acreage. It estimates that U.S. wheat growers seeded 40.5 million acres of winter wheat last fall. That is about 2 million acres less than the average t...