International pressure seems to have finally had an effect on South Africa’s Thabo Mbeki. The man who almost singlehandedly shielded Zimbabwe’s Robert Mugabe from regional and global efforts to oust him has finally told his crony that he has two choices — resign or face prosecution for a myriad of crimes. Mugabe must hand real power to his political enemy, Morgan Tsvangirai, or else face complete isolation:The president of Zimbabwe, Robert Mugabe, has been warned by Thabo Mbeki, the South African president, that he faces prosecution for the crimes he has committed during his 28 years in office unless he...