The series of important and delayed USDA reports that were released last Friday did take some of the uncertainty away from the markets. The problem, though, is they didn’t contain any unexpected or surprising numbers. The single USDA report that could be supportive is the one concerning weekly export sales numbers, but that won’t get current until the end of this month. Apprehension and confusion surrounding the U.S. budget and the ongoing China trade negotiations continue to leave the markets uncertain and, more importantly, nervous. Congressional negotiations over the border barrier and the budget broke down over the weekend. The news last week about these talks had at least been hopeful with some legitimate chance that an ag...