johannesburg south african deputy president cyril ramaphosa lead contender become head rule anc december name science technology minister naledi pandor run mate local media report sunday race replace president jacob zuma helm african national congress heat amid mount allegations graft zuma consistently deny wrongdoing successor anc presidential candidate 2019 zuma step head state ramaphosa pressure pick female run mate gender equality key anc policy goal main challenger nkosazana dlamini-zuma veteran politician former african union head zuma ex-wife eyewitness news mail guardian newspaper report websites ramaphosa make announcement pandor would anc deputy presidential candidate ticket rally northern province limpopo smart move pandor smart appear taint corruption allegation close either zuma ramaphosa camp woman tick number box make lot sense say gary van staden political analyst nkc african economics pandor articulate technocrat professorial manner also do stint education minister spokesman could immediately confirm report say pandor travel jordan science conference ramaphosa camp could immediately reach comment south africa 's ramaphosa pick female science minister deputy anc race media