HARDtalk - Mathews Phosa, ANC Treasurer General

South Africa is about to enter the age of Zuma. For years Jacob Zuma has divided South Africans and now he must unite them as President. Mathews Phosa, as party Treasurer, is one of Zuma's most senior lieutenants in the ANC leadership. Does Jacob Zuma have the political and moral stature to revitalise a troubled nation? Mathews Phosa talks to Stephen Sackur.