Republican presidential candidate Mitt Romney published this op-ed regarding NATO in the Chicago Tribune on May 19, 2012.

As NATO's mission continues to redefine itself, four experts discuss what the alliance can do to remain relevant as a force for international peace and security.

The upcoming NATO summit will include talks on the endgame in Afghanistan, a new smart defense doctrine, and bolstering global partnerships, all of it colored by fundamental questions about the role and mission of the alliance, says CFR's Stewart Patrick.

The G8 meeting at Camp David will focus on food security and advancing political transitions in the Middle East and North Africa, while the debate over solutions to the eurozone crisis will largely shift to the G20 forum, says CFR's Terra Lawson-Remer.

NATO has been the foundation of transatlantic security for more than sixty years, but despite its longevity, critics question whether the alliance can stay relevant in the face of emerging threats, limited funding, and debates over its mission.

This weekend's G8 summit will be dominated by negotiations over the eurozone sovereign debt crisis and limiting contagion to the global economy, says expert C. Randall Henning.

Colonel Chad T. Manske, USAF, says the question of what constitutes missile-defense interim capability will loom large over the NATO Summit, but the issue for NATO remains whether they can muster the political, diplomatic, economic, and technical will to bring a ballistic-missile defense capability on line.

Willem Buiter discussed the current and future challenges of the Eurozone, including the sovereign solvency crisis and the possible restructuring of current sovereigns, Spain's current debt situation, the role of the European Central Bank, and the possible exit of Greeze from the Eurozone.

This Congressional Research Service report explains the issues to be covered at the upcoming NATO Summit in Chicago, where talks about Afghanistan, "smart defense," and partnerships with non-NATO members are supposed to dominate.

Greece's political turmoil is spreading fresh economic uncertainty. But it is wrong to assume an automatic exit from the euro or further sovereign debt contagion, says expert Iain Begg.

December 2008 ECOWAS Abuja Declaration ("Political Declaration on the Prevention Of Drug Abuse, Illicit Drug Trafficking and Organized Crimes in West Africa") was adopted in December 2008.

The Organization of American States (OAS) produced these conclusions and recommendations regarding a "Hemispheric Plan of Action against Transnational Organized Crime" at their meeting on April 19, 2005 in Washington, DC.

Mafia states enjoy the unhealthy advantages of their hybrid status: they're as nimble as gangs and as well protected as governments, and thus more dangerous than either.

The OECD released the Progress Report "Towards Global Tax Co-operation: Progress in Identifying and Eliminating Harmful Tax Practices" in 2000.

The Protocol to the Organization of American States (OAS) Inter-American Convention on Mutual Assistance in Criminal Matters was adopted on June 11, 1993.

The OECD Model Agreement on Exchange of Information on Tax Matters was released by the OECD in April 2002.

The ECOWAS Transnational Action Plan on Organized Crime was released on July 2, 2010 at the ECOWAS session in Cape Verde.

Europol, the European Police Office, published the EU Organised Crime Threat Assessment: OCTA 2011 in April, 2011.

New electoral currents in Europe are threatening the German-backed fiscal responsibility pact and sparking fresh fears of debt contagion, says CFR's Sebastian Mallaby.

Charles A. Kupchan testifies before the Senate Committee on Foreign Relations on the future of the North Atlantic Treaty Organization (NATO), and what's at stake in the upcoming Chicago summit.