A KEY ally of Zimbabwe's Vice President Joice Mujuru has said he expects President Robert Mugabe to retire before the end of the year, seen as proof of growing disillusionment within his Zanu PF party over his plans to run for office in general elections next year. Mugabe, 83, has been power since Zimbabwe gained independence from Britain in 1980. But an unprecedented economic crisis and growing international pressure has encouraged rivals within his own party to pressure him to quit. Dr Ibbo Mandaza, an influential Zanu PF supporter and adviser to Mujuru, said he expects Mugabe to announce...