Joshua Busby is an Associate Professor in the LBJ School of Public Affairs at the University of Texas-Austin. He is the author of Moral Movements and Foreign Policy (Cambridge, 2010) and the co-author, with Ethan Kapstein, of AIDS Drugs for All: Social Movements and Market Transformations (Cambridge, 2013). His main research interests include transnational advocacy and social movements, international security and climate change, global public health and HIV/ AIDS, energy and environmental policy, and U.S. foreign policy. He also tends to blog about global wildlife conservation.