In the latest report from the UN on the Central African Republic's crisis, experts warn that the illegal gold and diamond trade is partially to blame for financing parts of the conflict. Aurélien Llorca, the coordinator of the panel of UN experts on CAR, is our guest. Also, the heads of Nigeria, Senegal and Ghana head to Burkina Faso for talks. Diplomats are pressing its military ruler to return the country to civilian rule. And a moderate Muslim cleric is killed in Mombasa, Kenya.