Patrick O. Cohrs is Associate Professor of History and International Relations at Yale University. Professor Cohrs received his doctorate from the University of Oxford in 2002. He has held fellowships at the Center for European Studies and the Kennedy School's Belfer Center for Science and International Affairs at Harvard University. Before moving to Yale, he was the Alistair Horne Fellow at St Antony's College, Oxford, and taught at Humboldt University Berlin. Professor Cohrs is currently working on a history of the Pax Americana which reappraises American aspirations for a 'new world order'