Baghdad is all atwitter over the P-5+1 talks with Iran beginning today. A sandstorm kept many European and Western diplomats from landing, but the Iranians were out in full force, with Iranian negotiator Saeed Jalili leading the way.

Though China appears to have halted its proliferation activities, those activities suggest a more casual attitude towards nuclear weapons than one of abhorrence. Indeed, actions speak louder than words. That Beijing proliferated nuclear technology, materials, and know-how-and to relatively unstable regimes that may be less cautious about using nuclear weapons-is worrying.

In past nuclear cooperation agreements, the US has required nations to commit to not enriching uranium and opening nuclear sites to inspections. The Obama administration has just done away with the requirement. Congress needs oversight to combat this possibility of nuclear proliferation.

The nonproliferation regime is no longer upholding international security. As export control enforcement mechanisms prove ineffective in thwarting the transfer of fissile materials and as increasingly fluid networks elude conventional relationships and existing laws, the proliferation of nuclear technology is proving increasingly perilous. Under shifting alliances, the Nuclear Non-Proliferation Treaty...

I have found that the Uncertainty Principle of quantum physics actually has no analogue in foreign policy. Regardless, it is a good way to describe Obama's foreign policy doctrine.

Ever since its founding in 1948, the Democratic People's Republic of Korea has maintained an aggressive and bellicose international security posture. Today, fully two decades after the end of the Cold War, North Korea's external defense and security policies look arguably more extreme and anomalous than ever.

Last week's announcement represents the predictable culmination of decades of progress on a multifaceted program of weapons of mass destruction.