One role that the market must play is to discover how low prices must drop to uncover demand. Obviously, this becomes more difficult when supplies are rising faster than projected demand.As many WPI clients are aware, we take some time off for an annual mid-September Montana fishing trip and just returned from this year's, which was the 13th in a row. While away, we had little opportunity to pay attention to crop yields, production estimates, markets, prices and related topics. We did not even know what USDA's latest estimates from the September WASDE were until first looking at them yesterday.However, it is back to the real world today. In one important sense, the reality of U.S. crop production in 2014 has not changed. Markets have known...