Advancing technology made the end of open outcry pit trading of futures inevitable, but it will still be sad to see such a historic, colorful era conclude.General Douglas MacArthur once famously observed that "old soldiers never die, they just fade away." Like an old soldier, open outcry pit trading of CME futures contracts in Chicago and New York will now just fade away in only a few months.The CME Group announced late yesterday that it will close all of its futures trading pits in Chicago involving corn, wheat, oats, soybeans, soybean products, interest rates and currencies. It will also close the open outcry trading pits for crude oil and other energy-related contracts at the old NYMEX in New York. The effective date of the closures will...