Buying the freedom of slaves in Sudan December 20, 1997 Web posted at: 3:50 p.m. EST (2050 GMT) BAHR EL GHAZAL, Sudan (CNN) -- A global charity is fighting the internationally condemned slave trade in Sudan in its own way -- by buying the freedom of slaves and reuniting them, mostly boys and girls, with their families. Christian Solidarity International estimates that tens of thousands of ...