But START treaty ratification is going nowhere fast in the US Senate and progress on other key issues has been slow or shaky: bringing the Comprehensive Test Ban Treaty into force; starting negotiations on a new treaty to ban the production of fissile material for nuclear weapons; strengthening the non-proliferation regime with effective measures to detect violations and deter treaty walk-outs; reaching agreement on some form of international management of the most sensitive aspects of the fuel cycle; and, above all, starting new rounds of serious disarmament talks, involving not just the two nuclear superpowers, but all eight nuclear-armed states.