Failure to develop a comprehensive contingency plan, such as the one proposed here, and inform the American public, where appropriate, about its particulars will only serve to amplify the devastating impact of any nuclear attack on a U.S. city

Our government's inattention has allowed North Korea to establish a new and dangerous threat to the Asia-Pacific region. It is probably too late to reverse that damage, but serious attention to this problem can still limit the extent of the damage.

Former Clinton administration officials Ashton Carter and William Perry argue that the most effective way to curb the threat from Pyongyang is to destroy its missiles at their test sites

Should the United States allow a country openly hostile to it and armed with nuclear weapons to perfect an intercontinental ballistic missile capable of delivering nuclear weapons to U.S. soil? We believe not. If North Korea persists in its launch preparations, the United States should immediately make clear its intention to strike and destroy the North Korean Taepodong missile before it can be launched.

Ashton B. Carter, Arnold Kanter, and William J. Perry write about the viability of the Nonproliferation Treaty in this New York Times op-ed.

A paper by the National Security Advisory Group

Ashton B. Carter, William J. Perry, and John M. Shalikashvili address the danger of loose nukes in North Korea in this Wall Street Journal op-ed.

Ashton B. Carter and William J. Perry remember the 1994 North Korean nuclear crisis in this New York Times op-ed.

Carter & Perry call for determination and patience in responding to the North Koreans' recent revelation of their nuclear program.

The policy review team determined that a fundamental review of U.S. policy was indeed needed, since much has changed in the security situation on the Korean Peninsula since the 1994 crisis. The review focuses ondevelopments in the DPRK''s nuclear and long-range missile activities.