Award-winning journalist Alec Russell was in South Africa to witness the fall of apartheid and the remarkable reconciliation of Nelson Mandela's rule; and returned in 2007-2008 to see Mandela's successor, Thabo Mbeki, fritter away the country's reputation. South Africa is now perched on a precipice, as it prepares to elect Jacob Zuma as president -- signaling a potential slide back to the bad old days of post-colonial African leadership, and disaster...