Next autumn, when we look back at the 2013/14 U.S. corn and soybean crops and the cash and futures markets, we just might conclude that the last full week of May was one of the most significant weeks of the entire production/market cycle. We are too conservative to flatly predict this will be the case, but last week certainly has all of the appearance of being something of a watershed.As can be seen, July soybeans had a rather wild week. The week's high price (on 23 May) was up about $0.93 from the close on the previous Friday (17 May). November soybeans were somewhat less wild with a $0.73 difference between the week's high and the close on the previous Friday. However, what was really wild was the action in the July/November inverse. It...