Both the CME and CBOT closed in the red today, though selling at the CME (particularly the livestock contracts) was far more aggressive. Cattle futures are forming technical tops and seem poised for a sharp move lower amid a weakening beef demand outlook. Similarly, the pork market needs lower prices to move product, and futures are obliging.  The grains complex finally got its 20 December Export Sales report, which was nice but not market moving. The report, over a month old, would have been neutral/bullish corn and bearish soybeans and wheat had it been released on time, but was a non-event today. The USDA will keep an aggressive pace in releasing other backlogged data, which will be much appreciated by the market.  After yest...