Highs, lows of Zuma years

On Tuesday Nkosazana Dlamini-Zuma, chairwoman of the African Union commission (AUC), will sit on the podium facing African heads of state attending the bi-annual AU summit in Addis Ababa for the last time. After four-and-a-half years at the helm of the organisation, Dlamini-Zuma is stepping down.