Emmerson Mnangagwa has been declared President-elect in Zimbabwe. He has trounced his main rival Nelson Chamisa of the Citizens Coalition for Change. The opposition alleges that election was rigged. ZANU-PF has been in power for more than four decades. Elvis Presslin spoke to Professor Kealeboga Maphunye, a Professor of African Politics at the University of South Africa, UNISA and Peter Ndoro, our colleague at Channel Africa