Scotsman: FOOD riots in developing countries will spread unless world leaders take major steps to reduce prices for the poor, the head of the United Nations Food and Agriculture Organisation (FAO) warned yesterday. World cereal production will rise, but record prices are unlikely to fall, forcing poorer countries’ food import bills up 56 per cent and hungry people on to the streets, the FAO’s director-general, Jacques Diouf, said. "The reality is that people are dying already in the …