The expectations for tomorrow’s USDA WASDE report are set, and they are bullish. There will be fewer U.S. corn harvested acres, lower yields and thus reduced ending stocks. There will be less Argentine and Brazilian corn, and lower world stock. The same with U.S. soybeans, and the world will have less wheat. With that in mind, the market reaction this day before the report was to reduce prices except in soyoil and wheat. It was buy grains and sell soy at the open, but it reversed back into the pattern that has now held for the past several weeks.  Today’s adjustments were in part an acknowledgement that the report’s expectations are already baked into the cake. It also reflects some more granular details: • U.S...