Supporters of President Jacob Zuma celebrate as delegates to the National Conference of the ruling African National Congress (ANC) begin voting for their leadership in Bloemfontein, December 17, 2012. Zuma is being challenged by his deputy Kgalema Motlanthe for the position of President of the party which has ruled South Africa since the country's first democratic elections in 1994. REUTERS/Mike Hutchings (SOUTH AFRICA - Tags: POLITICS ELECTIONS)