If you keep an eye on the news, it's hard to miss that a recent hike in food prices has sparked food riots and increased hunger around the world. From Africa to China to right here in the United States, more people are depending on food donations and government programs to make it through the day. Journalist Alan Bjerga attempts to tackle this enormous issue in his recent book Endless Appetites: How the Commodities Casino Creates Hunger and Unrest. More