Since the Cold War, arms control negotiations have been strictly a bilateral affair between Washington and Moscow. But as times have changed, so must this dynamic. Enter China.
With climate change now front and center on the Obama administration's radar, a leading climate researcher's decades-long effort to communicate to the public the true scope of menace is bearing fruit.
The international system's dynamic, constantly changing character should warn against contemplating a grand disarmament plan along traditional lines. We need a new theory because we have a new system.
North Korea badly needs energy assistance and has long wanted it in the form of light water reactors, creating a potential bargaining chip in the next round of discussions with Pyongyang.