Micah Zenko argues that the ouster of Muammar al-Qaddafi will motivate other dictators to seek out nuclear weapons.

The longstanding U.S.-South Korea alliance, created as a bulwark against a communist North Korea, has expanded to include tighter trade ties and cooperation on global issues from climate change to international development.

Patrick Disney points out the need for change in U.S. policy towards Iran, as miscommunication and confusion motivate further expansion of the country's nuclear program.

Iran poses steep challenges to its Middle East neighbors and the world. Explore the country's complex regime structure and controversial nuclear program, and watch experts debate the range of policy options.

This is a special feature presentation from CFR that offers a unique, full-screen experience.

The latest multimedia feature in CFR's Emmy award-winning series uses expert interviews, interactive timelines, graphs, and images to trace Iran's history, examine its oil-driven economy, and survey its nuclear program.

A growing power struggle in Tehran adds new concerns for deterring Iran's nuclear ambitions. Analysts' recommendations for the U.S. range from engaging in direct talks to increasing pressure on the regime and trying to erode the regime's popular base.

Elliott Abrams, Eliot Cohen, Eric Edelman, and John Hannah, argue that former Vice President Dick Cheney advocation's for a U.S. strike to destroy the al-Kibar nuclear reactor built by Syria and North Korea was based on sound judgment.

Kenneth M. Pollack and Ray Takeyh state, ""... it is time to appreciate that the only manner of inducing meaningful change in the Islamic Republic's behavior without the resort to war is to otherwise imperil its very existence."

Foreign Policy's Ali Vaez discusses the politics and problems of Iran's first nuclear power plant.

Ray Takeyh argues that despite economic sanctions and other attempts to curtail technological development in Iran, its nuclear program has grown in sophistication and capability over the past two decades.

Michael A. Levi says that when it comes to Iranian nuclear capability, "Distinctions between zero, limited and robust enrichment, and between all of these and a nuclear-armed Iran, really matter."

Matthew Kroenig argues that the world will not be safer if the United States had no nuclear weapons.

Stephen Sestanovich testifies before the U.S. House Foreign Affairs Committee that, though the U.S. and Russia restored broadly cooperative ties after 2008, the relationship is marked by lingering frustration and even friction.

Emma L. Belcher says the recent detterence of a North Korean ship carrying nuclear material highlights the need for criminal codes that take nuclear crimes seriously.

Suzanne Maloney and Ray Takeyh say Mahmoud Ahmadinejad is being sidelined by religious fundamentalists in Iran, and it's bad news for American officials seeking to halt Iran's nuclear program.

UN Security Council Resolution 1985 regarding North Korea was adopted by the UN Security Council on June 10, 2011.

UN Security Council Resolution 1984 regarding Iran was adopted by the UN Security Council on June 9, 2011.

At their meeting in Deauville May 25, Russian President Medvedev and U.S. President Obama remained stalled on missile defense cooperation and Russia's bid to join the WTO, says CFR's Stephen Sestanovich.

The events convulsing the Middle East should prompt supplier states to place a moratorium on most nuclear cooperation with the region and devise long-term plans for better safeguarding major nuclear sites around the world, writes CFR's Jonathan Pearl.

As former president Jimmy Carter visits Pyongyang, any movement on resumption of stalled talks on North Korea's denuclearization is unlikely, says CFR fellow Sue Terry. Washington should continue to deter Pyongyang's aggressive behavior using sanctions and working with regional allies, she says.