Feeding A Hotter, More Crowded Planet

Nearly a billion people worldwide don't have reliable access to food, according to United Nations estimates, and some experts worry climate change will drive that number even higher. Ira Flatow and guests discuss the future of food security, and how farmers may need to adapt in coming generations.

Source: http://www.npr.org/2011/08/12/139579616/feeding-a-hotter-more-crowded-planet?ft=1&f=1007

bill clinton newt gingrich sarah palin al sharpton bill oreilly