South Africa's ANC divided, Zuma undermined by cabinet reshuffle

By Mfuneko Toyana and Tanisha HeibergJOHANNESBURG (Reuters) - President Jacob Zuma's midnight sacking of his finance minister shook South African markets on Friday, undermining his authority and threatening to split the African National Congress (ANC) that has governed since the end of apartheid.Deputy President Cyril Ramaphosa, who is one of the leading candidates to replace Zuma as ANC president, described the decision to remove Finance Minister Pravin Gordhan as "totally, totally unacceptable