On a continent where women rarely reach the highest rungs of politics, Mozambique's first female Prime Minister leads a government that was once written off as a failed state but that now posts economic-growth rates of an Asian tiger. Income per head in Mozambique has doubled over the past decade.
Diogo joined her country's Ministry of Planning and Finance in 1980, when Mozambique was an economic wreck, hobbled by the legacy of colonial rule and riven by an awful civil war that would continue for another decade. At the war's end, Mozambique was a devastated nation, strewn with land mines and...