This should come as no surprise to anyone. Food prices are being manipulated by the Wall Street pigs so they can put more money into their coffers.
According to this article, the Tunisian and Egyptian revolts are a primary result of commodities manipulation. True, it was more than food prices that pushed these countries over the edge, but it would be fair to say that this was the last straw that broke the camel's back.
This video covers the same issue: