Men carry bags of food while women wait for their rations at the United Nations World Food Programme (WFP) food distribution site in Pibor, South Sudan, June 25, 2012. As in many developing nations, international aid is both an invaluable help to South Sudan and a crutch that sometimes enables it to avoid reality. Development experts have grown more sophisticated in recent decades about how they deliver aid. But in fragile states such as South Sudan, getting the balance right between helping a country and helping that country help itself remains incredibly difficult. Picture taken June 25, 2012. To match Special Report SOUTH-SUDAN/AID REUTERS/Adriane Ohanesian (SOUTH SUDAN - Tags: ANNIVERSARY SOCIETY)