The Editors : Dieter Mahncke is Alfried Krupp von Bohlen und Halbach Professor for European Foreign Policy and Security Studies and Director of the Departments of EU International Relations and Diplomacy Studies and of European Political and Administrative Studies at the College of Europe in Bruges, Belgium. Sieglinde Gstöhl is professor in the Department of EU International Relations and Diplomacy Studies at the College of Europe in Bruges, Belgium.