13 Mar 2003 12:33 Ex-Milosevic ally, liked by West, now acting Serb PM BELGRADE, March 13 (Reuters) - Nebojsa Covic, thrust into the role of acting Serbian prime minister after the killing of Zoran Djindjic, was once an ally of ex-Yugoslav President Slobodan Milosevic and later joined reformers who ousted him. As deputy prime minister in Djindjic's reformist government, the 44-year-old former Belgrade mayor won praise from Western governments for the way he helped end a local Albanian guerrilla insurgency which gripped southern Serbia east of U.N.-run Kosovo in 2001.Instead of deploying the heavy-handed tactics Milosevic used in a failed...