Watch Goodluck Jonathan, acting president, Federal Republic of Nigeria, speak about the challenges and opportunities facing his country.

Deputy Secretary of Defense Robert O. Work joins James E. Sciutto, chief national security correspondent at CNN, to discuss Department of Defense policy toward the Asia-Pacific region.

Watch Representative John M. McHugh provide his insights on the role will Republicans play in shaping future U.S. national security policy.

Senator Chris Coons offers his assessment of the Joint Comprehensive Plan of Action.

Watch John P. Lipsky, first deputy managing director of the IMF, discuss the relationship between rising energy and commodity prices and global inflation.