Supporters of Jacob Zuma, the leader of South Africa’s ruling ANC, chant slogans at the Pietermaritzburg high court outside Durban, August 5, 2008. Zuma appeared in court in a bid to win the dismissal of a graft case that could wreck his chances of becoming the nation’s president next year. REUTERS/Siphiwe SibekoThe African National Congress faces the biggest internal crisis of its history after the decision to oust President Thabo Mbeki following suggestions of official interference in the corruption case against his rival, party leader Jacob Zuma.