ROUNDTABLE PANEL Co-Sponsored by The Policy Research Division, Department of Foreign Affairs and International Trade Canada & the Center for International Governance Innovation (CIGI) The emergence of new global challenges and actors is questioning the post-World War II multilateral system. Calls are multiplying to close the geopolitical and democratic gaps that are impeding the further development of international governance. At the same time, there is growing concern that membership enlargement and inclusive consultation mechanisms will inevitably dilute some countries' voice in the world, including countries that have traditionally played a "middle power" role.