FILE - In this Dec. 17, 2016, file photo, Zimbabwean President Robert Mugabe addresses people during the closure of his party's 16th Annual Peoples Conference in Masvingo, south of Harare, Zimbabwe. Zimbabwe. Mugabe is celebrating his 93rd birthday on Saturday, Feb. 25, 2017 amid granite hills where ancient spirits are said to dwell, defying calls to resign after nearly four decades in power in a region known for opposing a leader who says he'll run again in 2018 elections. (AP Photo/Tsvangirayi Mukwazhi, File)
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