Ralph A. Cossa discusses South Korea's cancellation of the General Security of Military Information Agreement and its plan to pursue a military Acquisition and Cross-Servicing Agreement with Japan.

South Korea is on track to set a double precedent: creating the first nationwide greenhouse gas emission trading scheme in a developing country and being the first in Asia. To be successful, however, the scheme will have to overcome political and private-sector hurdles.

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.

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.

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.

President of the Institute of Foreign Policy and National Security at the Korea National Diplomatic Academy Choi Kang analyzes changing dynamics in East Asia and U.S. policy toward the region.

Scott A. Snyder and See-won Byun observe that while the twenty-year anniversary of diplomatic relations between China and South Korea may provide a pretext for more active diplomacy to meet a growing list of potential disputes in the relationship, high-level contacts between China and North Korea have stalled, dampening China's hopes for regional engagement.

This U.N. Security Council Presidential Statement on North Korea was released on April 16, 2012.

Woo Jung-yeop of the Asan Institute for Policy Studies analyzes the results of the April 11 Republic of Korea national assembly elections, explaining their implications for the December South Korean presidential elections and the country's future policy direction.

Experts provide an update on North Korea, including its relationships with South Korea, China, and the United States.

Experts provide an update on North Korea, including its relationships with South Korea, China, and the United States.

President Obama and Prime Minister Noda of Japan gave this joint press conference in Washington, DC on April 30, 2012.

Experts provide an update on North Korea, including its relationships with South Korea, China, and the United States.

CFR's Sheila Smith highlights the significance of the U.S.-Japan Summit as the first state visit by the Democratic Party's Prime Minister, Yoshihiko Noda, which features a broad agenda and comes at a time when both Prime Minister Noda and President Obama face political challenges domestically.

"North Korea's impending nuclear test is just the latest illustration of Barack Obama's weakness and naiveté abroad," writes special advisor to Mitt Romney's presidential campaign, Richard Williamson, who served in the Reagan White House as an assistant to the president in the 1980s and as the president's special envoy to Sudan in the 2000s.

CFR Senior Fellow Sheila A. Smith argues that the time has come for Japan and the United States to set priorities for military missions, formalize mechanisms for crisis management coordination, and work toward a long-term basing strategy that consolidates U.S. and Japanese facilities.

In his testimony before the House Foreign Affairs Committee, Scott Snyder argues that the United States should redouble its efforts to shape North Korea's strategic environment rather than try to identify the right combination of carrots and sticks to be used in a negotiation with Pyongyang.

Pyongyang's unsuccessful missile launch delays a new nuclear threat but raises disturbing prospects for violence on the Korean Peninsula, says CFR President Richard N. Haass.

Leslie H. Gelb says military confrontations loom for President Obama in Iran, Syria, and North Korea, and he can't head them off with the usual duet of threats and talks.

Ma Sang-yoon of the Catholic University of Korea discusses the April 11 Republic of Korea national assembly elections, explains their relationship to the December South Korean presidential elections, and highlights issues relevant to the future of U.S.-ROK relations.