Hyun In-taek and Kim Tae-young discuss their experiences managing crises on the Korean peninsula in 2010 and their policy recommendations for future U.S.-ROK cooperation.

Stephen Biddle, Jeffrey A. Friedman, and Jacob N. Shapiro examine the reasons for the reversal in 2007 from years of intense bloodshed in Iraq to almost four years of relative calm since then.

The UN released its Annual Report of the UN Secretary-General on Children and Armed Conflict on June 11, 2012.

Any action Brazil takes in Africa should be based on peaceful cooperation and not military escalation, writes Nikolas Kozloff.

The tension between Washington and Islamabad over the former's drone assaults on targets in Pakistan is rising. But a prospective geopolitical rivalry involving both countries has even wider ramifications.

Max Boot says that the United States should consider tougher actions against the Syrian government.

With incidence of severe cybersecurity breaches increasing, govenment and business leaders are forced to re-evaluate control computer systems and heighten defences against hackers, writes Robert O'Harrow Jr. in the Washington Post.

With Mali's north under rebel control, fears are growing that a breakaway Islamist state could emerge, writes Xan Rice at the Financial Times.

Government and business leaders in the United States and around the world are rushing to build better defenses -- and to prepare for the coming battles in the digital universe, writes Robert O'Harrow Jr. at the Washington Post. To succeed, they must understand one of the most complex, man-made environments on Earth: cyberspace.

Secretary of Defense Leon Panetta gave these remarks at the Shangri-La Security Dialogue on June 2, 2012 in Singapore.

NBC News published this Department of Justice confidential white paper on February 5, 2013, which outlines the legal framework that would allow the U.S. government to "use lethal force in a foreign country" against a U.S. citizen highly involved with al-Qaeda or its associates. A bipartisan group of U.S. senators requested all classified documents related to the legality of targeted killings of Americans be released.

Canada's military is managing its role in Afghanistan against new security concerns in the Arctic, and is looking to increase its capacity in an age when other NATO countries are cutting back on spending, says Canadian Rear Admiral David Gardam.

Laurie Garrett examines whether the CIA ruined the chance to eradicate polio worldwide.

The Department of Defense released its yearly Annual Report to Congress: Military and Security Developments Involving the People's Republic of China in May 2012.

General C. Robert Kehler discusses the future of U.S. strategic nuclear forces, as well as U.S. Strategic Command's broader mission to deter and detect attacks against the U.S. and its allies, prepare for emerging threats around the world, and defend the nation as directed.

General C. Robert Kehler discusses the future of U.S. strategic nuclear forces, as well as U.S. Strategic Command's broader mission to deter and detect attacks against the U.S. and its allies, prepare for emerging threats around the world, and defend the nation as directed.

General C. Robert Kehler discusses the future of U.S. strategic nuclear forces, as well as U.S. Strategic Command's broader mission to deter and detect attacks against the U.S. and its allies, prepare for emerging threats around the world, and defend the nation as directed.

Secretary of Defense Leon Panetta gave these remarks on naval strength at the U.S. Naval Academy Commencement in Annapolis, Maryland on May 29, 2012.

Micah Zenko and Emma Welch map out the launch pads for Obama's secret wars.

The State Department released this joint statement by the U.S. and Iraq, at the first meeting of the US - Iraq Defense and Security Cooperation Joint Coordinating Committee on May 24, 2012.