. >> bringing in steve clemmons here, what we expect to hear from the president, who i'm told will be out within moments, he is capping what is an important group meeting, as we mentioned with the notable absence of russia, the rich uranium, but when you look at what the president is doing, working off an amendment of 1987 nuclear convention, all about the physical control and logistics of this dangerous material. walk us through what is at stake here and what the administration is trying to do. >> our nation essentially defined its most important foreign policy around nuclear weapons and its competition with the soviet union. the attentiveness, have slowly eroded, and what president obama is trying to resurrect, how to manage materials that go into nuclear weapons and nuclear materials and the basic building blocks of that which can be hijacked and stolen and trafficked in, and that can create an enormous set of problems, but to raise the concern where you continue to have responsible governs. nuclear weapons have fallen off the radar screen. the statement he just put out, he ended t