Known for his ground-breaking business theories on “jobs to be done,” Professor Clayton Christensen of Harvard Business School has a new book on disruptive innovation, The Prosperity Paradox: How Innovation Can Lift Nations Out Of Poverty. I sat down with the book’s co-author, Efosa Ojomo, who leads the global prosperity research at the Clayton Christensen Institute, to learn how policymakers can apply the book’s findings in Africa.

This is a guest post by Le Chen, Janice Dean, Jesper Frant, and Rachana Kumar. They are Master of Public Administration students at Columbia University’s School of International Public Affairs. They …

The president’s apathetic response to the conflict in the middle belt encourages the perception of many southern Nigerians and even a few northerners that Muhammadu Buhari is the “President of the North,” rather than of Nigeria as a whole.

Emerging evidence suggests that the faction released the girls only in exchange for a temporary cease-fire so they could bring the 105 girls safely back to their village.