Conservative Internationalism: Armed Diplomacy Under Jefferson, Polk, Truman, and Reagan - Paperbackby Henry R. Nau (Author), Henry R. Nau (Preface by) A reexamination of America's overloaded foreign policy tradition and its importance for global politics today Debates about U. S. foreign policy have revolved around three main traditions liberal internationalism, realism, and nationalism. In this book, distinguished political scientist Henry Nau delves deeply into a fourth, overlooked foreign policy tradition that he calls "conservative