We've already covered the strikes in Europe over rising oil prices; now Rome has become the site of an emergency UN summit on the food crises that are sweeping the globe. Unsurprisingly, the U.S. has become a major target of international criticism over its food policies and interest in corn-based biofuels. From the LA Times: Delegates clashed during the second day of the three-day meeting over how much blame can be assigned to biofuels for......