This is the direct and predictable result of the practice of essentially "freezing" our nuclear weapons strategy and stockpile over the past seventeen years since the end of the Cold War.

CENTERFORSECURITYPOLICY: Towards a New Deterrent

Clinton's 20 hours in Pyongyang could pave the way for renewed diplomatic efforts, including direct dialogue between the United States and North Korea, the re-freezing of North Korea's nuclear program and even North Korea's return to the six-party talks.

CNN: Commentary: Bill Clinton shows that diplomacy works