It is now at the mid-point of the growing season, and weather has been quite good. However, extended forecasts suggest a potential threat to yield cushions of certain crops and, thus, ending supplies.The July USDA WASDE numbers weren’t quite as bearish for corn and wheat as many in the trade anticipated. Ending supplies were raised for both, but the gains were less than the average trade guesses. The soybean numbers came in about as expected, although higher planted acreage did result in a slight boost in ending supplies. However, the soybean supply continues to tighten.USDA did not change the yield estimate for either corn or soybeans. They are both the third-largest ever with the national average yields at 168 bushels/acre for corn and 46...