A year ago, University of Guelph professor Alfons Weersink's phone was ringing off its cradle. People everywhere wanted him to help make sense of the sudden global food crisis, which was marked by predictions of dire shortages and skyrocketing prices. Questions about corporate greed were raging, as the debate intensified over grain use for ethanol production and animal feed, rather than food. Weersink, with 20-plus years of agricultural economics under his belt, rose to the occasion. He did a bang-up job of describing what some called the perfect storm that led to the food crisis. Read the rest of the story here.