I often long for the good old days when the commodity futures markets opened at 9:30 a.m. and closed at 1:15 p.m. Life was much more comfortable and certain then. Traders and speculators only had to be glued to their screens for those 3 hours and 45 minutes a day, and there was no reason to spend your Sunday evening wondering whether corn, soybeans or wheat were trading. Of course, those were also the days when agricultural commodity markets were concerned only with agricultural events like weather and demand. We didn't worry about how early you could retire, who was going to pay for that retirement, or if you lived in Greece. We didn't worry about a Facebook IPO. We didn't worry about the sudden emergence of a major export competitor lik...