By Edward Alden
Nearly a decade after the United States and Canada set the early template for cross-border cooperation in the post-9/11 era with the 2001 Smart Border Accords, the two governments finally appear ready to take the next step towards a genuine system of “perimeter security.” While the initiative as outlined makes tremendous sense on both sides of the border, it will face significant opposition in Canada from those who fear that national sovereignty will be sacrificed on the altar of continental security, and in the United States from those who favor unilateral approaches to securing the borders.