Shannon de Ryhove speaks with author and journalist Hein Marais about his new book, "South Africa Pushed to the Limit: The Political Economy of Change." History's legacy is one of the reasons South Africa's black majority lives in poverty, says Marais. The structure of the economy, its ability to create jobs and poverty trends that date back to the 1970's were not just going to go away because we have a democratic government, he contends. Marais says his book is an attempt to...