[The Conversation Africa] Shaka Zulu is one of the most famous figures in South African history, even though not much is actually known about him. The subject of a hit 1980s TV show and of many books, Shaka is reframed by each generation. Now he's back in popular culture with a major new South African TV series, Shaka iLembe. Dan Wylie is an English professor who has written two academic books on Shaka. We asked him five questions.