how do you think kim jong-un is going to respond to that? >> north korea has always defined it as global arms control. they'll go to zero when we go to zero, the rest of the nuclear powers. and also they define the korean peninsula as including things as the strategic bombers on guam. what we need to do is get a much fuller agreement such as we had with arms control treaties. we need to get that from pyongyang with robust verification. >> and john bolton seems to think denuclearization could be done in a year. does that seem realistic to you? >> whether it's one year or 15 years as outside experts call for, what we need is to get them to commit to it. the policy would be a se sequential operations of data declaration, interviews with scientists, some inspections, some challenge inspections. and then destruction. we could be doing a number of things simultaneously. even as we're verifying. they can be moving some nuclear