Morgan Tsvangirai, head of the opposition Movement for Democratic Change was sworn into office as Zimbabwe’s Prime Minister by his long-time rival President Robert Mugabe. Tsvangirai’s swearing in caps nearly a year of turmoil that began in March 2008, when he won a first-round presidential vote that was greeted with nationwide violence, mostly against his supporters. For more we are joined by the BBC’s Jonah Fisher in South Africa.