think we have to be really quite realistic about what china wants to achieve here because ultimately the north korean nuclear weapons programme although it is a bit of an encumbrance every once and a while for china, ultimately, their programme serves china s interest because the north korean nuclear programme makes i fix extremely difficult for the united states on the korean peninsula and particularly now that north korea probably has an intercontinental ballistic missile capability, a missile that could put a nuclear warhead onto an american city that makes life extremely difficult for the united states and it is not been china s and just to make life any easier for the us. just to make life any easier for the us- just to make life any easier for the us. , ., ., for the us. sam they are from the institute for the us. sam they are from the institute in for the us. sam they are from the institute in canberra. - the institute in canberra. thank you forjoining us on newsday. thank