>> but they're related. >> yes, of course. yes. >> reporter: the "chona" situation pruett out the importance of the u.s.-japan treaty and you'll be meeting with new prime minister kan after this and on this occasion, would you please talk about your long-term vision on the alliance and the security treat on a. i mean is this current structure of the treaty sustainable for the coming decades especially with the chinese military expansion and unpredictable north korea? and/or there would be mosh responsibility required on the japanese side. and the related second part of the question is in your meeting with hu jintao yesterday, you called for cooperation from the chinese side to send a message to north korea as a consequence.