Russia and the United States are expected to begin the first round of consultations on a new strategic arms reduction treaty by the end of April. Though President Obama has declared the arms reduction talks as the first step toward a nuclear-free world, Russia remains cautious on the actual outcome of the talks. Why? What are the potentially difficult points in the Russia-US talks? How do the actions of such countries as North Korea endanger the regime of nuclear non-proliferation? Well be talking about it with Andrey Kokoshin, one of the leading experts on military policy.