USDA released its monthly Cattle on Feed (COF) report today after the market close, and it showed inventory below market expectations, a bullish factor. However, the more significant potential bull market driver is the gap between expected and actual placements. That is only part of the story, though. More will be known Tuesday about how corn planting went this week, but it is safe to say that the current year corn crop has officially been marked tardy. As of last week, USDA reported corn planting was 49 percent complete compared with the five-year average of 80 percent. Add to that, only 19 percent of the planted crop as of last week had emerged versus the five-year average of 49 percent. This means it could be an expensive summer for cat...