FROM time to time, South Africa is rudely reminded that its past continues to make its present and future difficult. It does not always recognise this reality when it sees it. STEVEN FRIEDMAN, Professor of Political Studies, University of Johannesburg The latest – and most shocking – reminder is the violence which followed the imprisonment of former president Jacob Zuma. The mayhem devastated KwaZulu-Natal, the home of Zuma and his faction of the governing African National Congress (ANC), and damaged Gauteng, the economic heartland which also houses hostels in which working migrants from KwaZulu-Natal live. The violence was seen as…