If the non-proliferation regime is going to prove sustainable for many decades in the future, it will need to rely on political good will between the countries that don’t have nuclear weapons and the countries that do have them.
In China, Kerry needs to focus on the broader context of the U.S.-China strategic relationship and how North Korea will harm this relationship.
Kim Jong Un’s challenge is to hold power in a world where democracies seem to be overtaking autocracies.
The United States will have trouble keeping South Korea from going nuclear if it can't contain the threat from Pyongyang.
Tensions with North Korea are rising as the United States strengthens its missile defense in response to threats.
U.S. Secretary of State John Kerry has used strong words against North Korea after the country threatened to attack the United States.
President Barack Obama should articulate a narrowed framework for the legitimate use of nuclear weapons that the United States believes would be defensible for others to follow as long as nuclear weapons remain.
In China, nonproliferation continues to be framed as an excuse behind which Washington and its allies are able to engage in provocative and destabilizing acts.
For denizens of the southern half of the Korean Peninsula, North Korea's third nuclear test was so threatening that it has moved onto center stage a once-fringe debate about whether South Korea should acquire nuclear weapons of its own.
Although the Obama administration has pledged to formulate its nuclear policy around the concept of strategic stability, there is major disagreement on the meaning of concept and whether it is a sound basis for policy.