The 30 March USDA quarterly stocks reports indicated that we should see reductions in the ending supply estimates for corn, soybeans and wheat in tomorrow's monthly supply and demand revisions. How much of a drop will we see, and have the markets already factored these expected cuts into prices? Here's a quick look at the numbers:The other question is whether or not the old crop ending supply reductions will matter, or if the market's attention already has shifted to new crop prospects. Certainly the soybean complex already has taken a look at the potential for a very tight 2012/13 U.S. and world soybean outlook and started to price that in immediately following the 30 March planting intentions estimates. That has resulted in massive fund...