>> shepard: kim jong-un must take irreversible steps to get rid of his countries nukes and words and promises are not enough. gordon chang is here, author of "nuclear show down." things are moving along. >> they are. >> shepard: and now the president talking of possibly having this meeting at the peace house at the dmz. >> i think that's a good place. kim will want to go there. he doesn't want to leave north korea for too long. if he does, something could happen and he might not get back. president trump likes the optics. it's south korea territory. it's not neutral. that is good for us. >> shepard: is there a down side holding this there? >> not really. if it was in beijing it would bring the chinese in. and with the six-party talks