The skyrocketing cost of wheat has turned rice into the go-to food grain. It helps that global surplus rice stocks are at a record high. High wheat prices are deterring the use of the grain for both food and feed. ICE feed barley futures for the United Kingdom are now rivaling the price of milling wheat. Food use of barley would also be expected to benefit except global surplus stocks of this grain are at record lows. In fact, barley currently looks undervalued relative to wheat.  In the major barley producing countries, three-quarters of the grain is used for animal feed. This is despite barley having some superior nutritional benefits over wheat, such as a larger amount of fiber and beta-glucan. But barley has always been viewed as...