LOOMING war between Sudan and South Sudan has the whole world on edge.The African Union (AU),the Intergovmental Authority on Development,the United Nations Security Council (UNSC),the Arab League and even the European Union have all asked the two countries to thrash out their grievances and not to ret to war.rnTop of that list of grievances is oil and the sharing of the colossal revenues that come from that crucial and lucrative resource,plus the delicate border demarcation.