Inter Press Service: As food prices continue to escalate worldwide, some of the poorest nations in the developing world are in danger of social and political upheavals. The unrest, which is likely to spread to nearly 40 countries, has been triggered largely by a sharp increase in the prices of staple commodities, including wheat, rice, sorghum, maize and soybeans, according to the United Nations. Following last week’s food riots in Haiti, which claimed the lives of four people, Secretary-General …