The US flag bearer at the Olympics is a Lost Boy of Sudan. The story gives a lot of the general history of Lost Boys--not much about the runner himself.
The Sudanese track team got coverage in the NY Times. They train in a half-built facility in Khartoum, they lift paint cans full of rocks instead of weights, but the team is made up members from different tribes who eat and train together. Jackie Robinson broke the color barrier in baseball; maybe sports can break some old tensions in Sudan.