FILE -  In this Thursday Sept. 25, 2014 file photo Zimbabwean president Robert Mugabe, addresses the 69th session of the United Nations General Assembly, at U.N. headquarters. Mugabe, who has ruled since 1980, last year organized constitutional changes limiting a president to to two five-year terms, but only for a successor and not applied retroactively to ensure he can be an old-style life president. (AP Photo/Richard Drew, File)