
Liberian President Ellen Johnson-Sirleaf addresses the 70th session of the United Nations General Assembly at the United Nations headquarters in New York, on Sept. 29, 2015. (Xinhua/Li Muzi)

Liberian President Ellen Johnson-Sirleaf addresses the 70th session of the United Nations General Assembly at the United Nations headquarters in New York, on Sept. 29, 2015. (Xinhua/Li Muzi)