JOHANNESBURG, SOUTH AFRICA - JUNE 14 : Liberia's Ellen Johnson Sirleaf (C) pose after the 25th AU (African Union) Summit in Johannesburg on June 14, 2015. (Photo by Ihsaan Haffejee/Anadolu Agency/Getty Images)
JOHANNESBURG, SOUTH AFRICA - JUNE 14 : Liberia's Ellen Johnson Sirleaf (C) pose after the 25th AU (African Union) Summit in Johannesburg on June 14, 2015. (Photo by Ihsaan Haffejee/Anadolu Agency/Getty Images)