Opposition : Power-sharing deal must give it genuine power to deliver change . Mbeki 's President Robert Mugabe to hold talks September with HARARE . Mugabe says talks are last chance for opposition before he forms government . Power-sharing deal signed by pair has been deadlocked since Monday .
Opposition : Power-sharing deal must give it genuine power to deliver change . Zimbabwe 's President Mugabe to hold talks Monday with Morgan Tsvangirai . Mugabe says talks are last chance for opposition before he forms government . Power-sharing deal signed by pair has been deadlocked since September .