Dr. Nafie Ali Nafie, an aide to Omar al-Bashir, Sudanese president, joins Sir David.
Nafie says that genocide is not taking place and that the number of people killed has been hugely exaggerated.
He also calls on the rebel groups to come to the negotiation table.
The Dinka and Arabs of Abyei have always quarrelled over resources.
The sanctity of the land has resulted in a sense of fear that one group may be uprooted from their land.
Mohamed Vall reports.
The battle for identity continues in Abyei.
Hundreds of Dinka have returned after fleeing the war 20 years ago, and they are leading the push for an African identity in the region, as opposed to an Arab one.
Mohamed Vall reports.
This special edition includes our exclusive interview with movie star George Clooney.
This special edition includes our exclusive interview with movie star George Clooney.