Contributor(s): Professor Joseph S Nye | For more than a century, the United States has been the world's most powerful state. Now some analysts predict that China will soon take its place. Does this mean that we are living in a post-American world? Joseph S.Nye, Jr. (@Joe_Nye) is University Distinguished Service Professor, and former Dean of the Harvard's Kennedy School of Government. He received his bachelor's degree summa cum laude from Princeton University,won a Rhodes Scholarship to Oxford University, and earned a PhD in political science from Harvard. He has served as Assistant Secretary of Defence for International Security Affairs, Chair of the National Intelligence Council, and Deputy Under Secretary of State for Security Assistance, Science and Technology. He is a fellow of the American Academy of Arts and Sciences, the British Academy, and the American Academy of Diplomacy. In a recent survey of international relations scholars, he was ranked as the most influential scholar on American foreign policy, and in 2011, Foreign Policy named him one of the top 100 Global Thinkers. His most recent book, Is The American Century Over? published in March 2015. Peter Trubowitz is Professor of International Relations and Director of the US Centre at LSE. The US Centre at LSE promotes scholarly analysis and critical debate about the United States. The International Relations Department at LSE (@LSEIRDept) is now in its 87th year, making it one of the oldest as well as largest in the world. Credits: Tom Sturdy (Audio Post-Production), LSE AV Services (Audio Recording).