On the Edge: Aid Groups Warn of Likely Famine in South SudanAid groups have issued warnings of a looming famine in South Sudan expected within weeks unless massive funding for food aid is provided.Families with malnourished children wait to receive treatment at the Leer Hospital in South Sudan, on July 7. NICHOLE SOBECKI / AFP - Getty ImagesPrintJuly 7, 2014, 9:53 PM UTC / Updated July 8, 2014, 7:50 AM UTC