This Thursday's USDA WASDE report should not hold any major surprises for the market, but we say that cautiously based on the recent history of surprises. In general, USDA should cut corn and soybean production in both Brazil and Argentina. It should also increase the U.S. corn export (and possibly wheat) forecast and might reduce the U.S. soybean export forecast. Here are some things to look for. Wheat The U.S. wheat export projection is down 339 million bushels, or 26 percent from last year. Actual export sales are down 24 percent from last year, but the pace of wheat export loadings is off just 14 percent. There are signs that U.S. wheat is now competitive in world markets and that actual export sales will be larger than the most rec...