Rising Food Prices and Global Unrest | Nightly Business Report | PBS

SUSIE GHARIB: We told you about rising oil prices earlier in the program. But they're not the only global concern. Food prices are also near record levels and that means hunger and the risk of unrest are rising in many countries. For some perspective on this crisis, our Washington bureau chief Darren Gersh spoke with World Bank's managing director, Ngozi Okonjo- Iweala.