J. Samuel Barkin is Associate Professor in the Department of Conflict Resolution, Human Security, and Global Governance in the McCormack Graduate School of Policy and Global Studies at the University of Massachusetts Boston. He is the author of Realist Constructivism: Rethinking International Relations Theory and other books.

Elizabeth R. DeSombre is Camilla Chandler Frost Professor of Environmental Studies and Director of the Environmental Studies Program at Wellesley College. She is the author of Flagging Standards: Globalization and Environmental, Safety, andLabor Regulations at Sea (MIT Press, 2006) and other books.