Lively week-long exchanges between two experts on a foreign policy topic in the news, conducted via email and posted on

How to Control a Nuclear North Korea?

For more than a decade, the United States and North Korea’s neighbors have tried various tactics to keep the rogue state, which conducted its first nuclear test in October, from becoming nuclear. David C. Kang and Aaron L. Friedberg debate the best approaches to influence a nuclear North Korea.

See more in Proliferation; North Korea

The Effectiveness of Foreign Aid

Two economists, Steven Radelet of the Center for Global Development and William Easterly of New York University, debate the effectiveness of foreign aid.

See more in Foreign Aid; Global

Is U.S. In Iraq To Stay?

Some experts argue the United States intends to establish a long-term military foothold in Iraq to increase its influence in the region, while others say it is merely responding to present security concerns.

See more in Iraq; Nation Building; Defense Strategy

Is China Growing at the United States' Expense?

The Chinese economic boom could pose a real challenge to U.S. power and influence. Morgan Stanley's Stephen Roach and Desmond Lachman of the American Enterprise Institute debate whether China's growth is happening at the United States' expense.

See more in China; Trade

U.S. Engagement with a Post-Castro Cuba

U.S.-Cuban relations have been virtually nonexistent since 1961, when the United States assumed a two-pronged policy of economic embargo and diplomatic isolation. Now that Fidel has transferred power to his younger brother, Raul, some experts think the United States should reconsider its policy toward Cuba. Philip Peters of the Lexington Institute and Dennis Hays, the State Department's former Coordinator for Cuban Affairs, debate how the United States should engage with a post-Castro Cuba.

See more in Cuba; Diplomacy and Statecraft; United States