In Japan, rice has been called the essence of culture; it has meant more than just food, though food security is the basis for policy interventions to protect it. Despite the nostalgia and market controls, rice on paddy fields is declining, giving way to more profitable wheat and soybeans that previously grew on terraced land. The government itself wants production to decline further as domestic consumption has fallen. Increasingly, rice is being used as animal feed, which likely would have caused an uproar in the past unless the grains were damaged.  There is sympathy in North Dakota where farmers are abandoning traditional wheat production and replacing it with more profitable corn and soybean production.  ...