by Chrystia Freeland, The Financial Times, UK - This was the week the world discovered we may have to pay real money for our wheat, especially the high-protein varieties that make the best bread. On Monday, top-quality wheat prices jumped 25 per cent, the highest recorded one-day rise. Most of us considered that increase from our perspective as eaters, ranging from a French consumer group that, according to Reuters, warned of food prices “catching fire”, to the United Nations World Food Programme, which is drawing up plans to ration food aid.