The Kojo Nnamdi Show - For the White House, Africa has been a study in contrasts while civil conflict, natural disasters and terrorist attacks have raised U.S. concerns, economies from Angola to Ethiopia are recording the highest levels of growth in the world. But experts are warning that a policy that appears to be largely reactive, won't build lasting success. And they're urging a reset in strategy over the next four years. Well, joining me to discuss the U.S. and Africa, Tibor Nagy is Vice Provost for International Affairs at Texas Tech University. He's a former United States Ambassador to Ethiopia and Guinea.

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