Who's afraid of Jacob Zuma?

Foreign investors are worried by the prospect of Jacob Zuma becoming the president of South Africa next year. But what changes is he likely to bring, and how will they affect the economy, asks Tim Cohen in Johannesburg.

Soon after a crucial court case found largely in his favour in September, African National Congress (ANC) President Jacob Zuma addressed thousands of his supporters outside the court in the town of Pietermaritzburg. But the highpoint of his speech was not spoken but sung.