it. what do you think, are there any other ways that north korea could potentially come to the table? >> reporter: here's the thing, that is what was proposed by president xi and president putin in july during the last sort of ratcheting up of the tension and crisis. the united states and its allies rejected that. what it means is getting rid -- essentially, north korea wants to get rid, so does china, by the way, diminish u.s. military presence not just in the peninsula but the pacific region, as well. the u.s. says that is a non-starter certainly at this moment. but secretary moniz said that you can't just focus on the nuclear issue with north korea. you must be able to focus on sort of broader issues like their desire to have a peace treat to end the 1950s north korean war. the desire to rebuild their economy. the need to get them into some kind of posture of determinates and con -- deterrents and