Piero Gleijeses is Professor of American Foreign Policy in the School of Advanced International Studies at Johns Hopkins University, USA. He is the author of Visions of Freedom: Havana, Washington, Pretoria and the Struggle for Southern Africa, 1976-1991 (2013), which won the AHA Friedrich Katz Prize, and Conflicting Missions: Havana, Washington and Africa, 1959-1976 (2002), which won the 2002 Robert Ferrell Prize from the Society for Historians of American Foreign Relations.