ELINOR SLOAN is Associate Professor of International Relations at Carleton University in Ottawa, Canada, where she teaches international security studies. A former Captain in the Canadian Armed Forces, she is a graduate of the Royal Military College of Canada and received her PhD from the Fletcher School of Law and Diplomacy, Tufts University, in 1997. From 1996 to 2002 she was a defense analyst in Canada's Department of National Defense where she focused on U.S. defense policy. She is the author of Bosnia and the New Collective Security (1998), The Revolution in Military Affairs (2002), and S...