Lien-Hang T. Nguyen holds the Dorothy Borg Chair in the History of the United States and East Asia at Columbia University. She is the author of Hanoi's War: An International History of the War for Peace (2012), which won prizes from the Society for Historians of American Foreign Relations and the Society for Military History. She is the co-founder of Vietnamese Studies at Columbia and serves on the Board of Trustees of Fulbright University Vietnam. Andrew Preston is Professor of American History at Clare College, University of Cambridge. A specialist in the history of US foreign relations, he is the author or editor of nine books, including American Foreign Relations: A Very Short Introduction (2019) and Sword of the Spirit, Shield of Faith: Religion in American War and Diplomacy (2012). In 2020–21, he was President of the Society for Historians of American Foreign Relations (SHAFR).