Former President Thabo Mbeki has lashed out at his successor Jacob Zuma for campaigning against the ANC. Mbeki was speaking to SABC foreign editor Sophie Mokoena on the sidelines during his engagement with students at the University of South Africa, UNISA in Tshwane. Mbeki says Zuma has defined himself outside the ANC by joining the uMkhontoweSizwe Party. Elvis Presslin spoke to Thobani Zikalala, a political analyst