If we are addressing the issue of weapons of mass destruction, we need to send a uniform, consistent message that there is zero tolerance to any country who is developing weapons of mass destruction, North Korea included.

It's very certain that North Korea is developing nuclear weapons for offensive purposes. They don't need nuclear weapons to defend their own country.

Iran's goal is not to become another North Korea - a nuclear weapons possessor but a pariah in the international community - but rather Brazil or Japan, a technological powerhouse with the capacity to develop nuclear weapons if the political winds were to shift, while remaining a nonnuclear weapons state.

We know North Korea has the plutonium that can go into the bomb,

All of North Korea is a jail.

the agency has not performed any verification activities in (North Korea), and cannot therefore provide any level of assurance about the non-diversion of nuclear material.