BULAWAYO – President Emmerson Mnangagwa enjoys an eight percentage points lead on opposition rival Nelson Chamisa going into general elections on August 23, but none of the men has a sufficient vote to win the election outright, according to a new poll released on Monday. The Afrobarometer poll shows Mnangagwa ahead with 35 percent and Chamisa trailing on 27 points. In a previous Afrobarometer…