Ethiopian lawmakers unanimously elected the country’s first female president on Thursday, days after approving one of the world’s few “gender-balanced” Cabinets as the country’s dramatic reforms continue. As seasoned diplomat Sahle-Work Zewde assumed the largely ceremonial post, many celebrated Africa’s only current female head of state. The continent’s first female president, Liberia’s Ellen Johnson Sirleaf, left office this year. Sahle-Work…