Every summer in the U.S. produces some kind of a weather market. We had begun to wonder if the summer of 2014 was going to be a rare exception to that rule, but yesterday's sharp reaction by the soybean market to dry weather forecasts restored our faith.Every year we observe seasons cannot pass without some period of fear that adverse weather conditions might reduce potential yields and crop production, causing a bullish futures market reaction. Said another way, every summer in the U.S. produces some kind of a weather market. We had begun to wonder if the summer of 2014 was going to be a rare exception to that rule. However, yesterday's sharp reaction by the soybean market to forecasts of another week of dry weather over the central U.S. r...