Following USDA's January reports, the soybean market has tended to focus on the threat to South American soybean production posed by the drought and, of course, on the macro-economic questions raised by Europe's sovereign debt mess. The U.S. soybean supply and demand outlook and its potential market impact have been set aside at least temporarily. But sooner or later, the soy market must deal with the U.S. soybean supply and demand -- especially as we get closer to the time for producer planting intentions for 2012.When the market does refocus on the U.S. soybean supply and demand, it is likely to conclude that the picture is not a pretty one. Although 2011/12 U.S. total soybean supplies (production, carry in and imports) has fallen about...