A Hunger That Never Ends Dan Rather Reports : Season 7 Episode 18

Since the last drought in 2010, hundreds of millions of dollars in emergency food aid has been spent in Africa's most needy nations. And now a brutal summer looms. While the US government and aid agencies race to prevent a food crisis, some are asking is there a better way to save Africa's starving people? Also, an update on drinking water thought contaminated at a U.S. Marine base.