IT can be tough when you are a former president in a democracy you have attempted to subvert, especially when that democracy comes back to bite you. Former South African president Jacob Zuma is finding this out the hard way. ROGER SOUTHALL, Professor of Sociology, University of the Witwatersrand Zuma is holed up in his expansive homestead in Nkandla, KwaZulu-Natal, since being ousted from the presidency in February 2018. His leadership of the governing African National Congress (ANC) ended with the election of his nemesis, Cyril Ramaphosa, in December 2017. Since then, Zuma (78) has spent his retirement engaged in…