Without fresh production estimates for U.S. corn and soybeans, the December WASDE only offers some adjustments to those estimates for elsewhere around the world as well as some tweaking of U.S. and world supply/demand forecasts.Grain and soy markets often view USDA's December WASDE as something of an afterthought between the November and January issues. U.S. corn and soybean crop production estimates in each November WASDE come along at a time when a substantial portion of each harvest has already occurred, and USDA/NASS's production estimates should offer a fairly accurate assessment of the crops. WASDE provides the final U.S. corn and soybean production estimates each January that are also accompanied by the 1 December quarterly stocks re...