The changing contours of North American security /Jonathan Paquin and Patrick James -- pt I. Theoretical explanations of post-9/11 security relations. Was 9/11 a watershed? / Charles F. Doran -- The Homeland Security dilemma : Assessing the implications for Canada-US border security negotiations / Frank P. Harvey -- Toward greater opportunism : Balancing and bandwagoning in Canada-US relations / Justin Massie -- Canada, the United States, and continental security after 9/11 : An assessment based on attribution theory / Mark Paradis and Patrick James -- Canada-US security cooperation under the security and prosperity partnership : An autopsy report / Jonathan Paquin and Louis Bélanger -- pt II. Significant developments in North American security and defence. The disintegrative effects of North America's securitization on the Canada-Mexico relationship / Stephen Clarkson -- Mexico's ambiguous foreign policy toward North America / Athanasios Hristoulas -- From the border partnership agreement to the twenty-first-century border : Enforcing security on the US-Mexico border / Isabelle Vagnoux -- National interest or self-interest? : Advocacy think tanks, 9/11, and the future of North American security / Donald E. Abelson -- A common "bilateral" vision : North American defence cooperation, 2001-12 / Philippe Lagassé -- Defence policy and the aerospace and defence industry in North America : The changing contours of the post-9/11 era / Yan Cimon -- The Canada-US alliance in the post-9/11 context : Any room for Mexico? / David G. Haglund -- Continental security: what now? / Jonathan Paquin and Patrick James.