Doctors treating former South African president Nelson Mandela have denied rumours that he is in a "permanent vegetative state". <br /><br />Visitors including President Zuma and a close friend of the ailing 94-year-old both said he continued to be critical but stable.<br /><br />His wife Graca Machel has spoken publicly for the first time about her husband's health:<br /><br />...<br />http://www.euronews.net/