China’s desire to imprint its own brand of diplomacy on global affairs has undergone a major test this week, in one of the world’s least stable regions, the Horn of Africa — exposing some of the contradictions to its approach in the process. Held over two days beginning last Monday in Ethiopia’s capital Addis Ababa, the first ever China-Horn of Africa peace conference followed months of shuttle diplomacy from China’s special envoy, Xue Bing, resulting in seven of the eight often mut