“Food is always more or less in demand."
Scientific American blogger, Eric Michael Johnson, connects the dots between rising food prices, riots and Wall Street trading of commodities.
Commodity Traitors: Financial Speculation on Commodities Fuels Global Insecurity
Freedom to Riot: the Evolution of Collective Violence
"Research now shows the uprisings in North Africa and the Middle East this year were triggered by spikes in global food prices fueled by speculators betting on the price of agricultural commodities."