1958.Political analyst Brian Raftopoulos said there is need to exercise cautionwhen comparing Gwisai's case to that of the ANC.The Gwisai issue is quite different from the South African scenario, saidRaftopoulos.Gwisai's case has to do with internal discipline whereas the ANC one has along history of leftist issues which are more grounded.Raftopoulos said the expulsion was an opportunity for