and that gives the prospect, the possibility that they will talk aboutth real issues, namely, ho is north korea going to completely denuclearize and crucially whatmp will the verification regime be. there are a lot of issues between the north and the u.s. on this. you saw it collapse in hanoi. they have serious and substantive differences. they need to iron those out. this is an attempt to get that back onem track. and it is going to be quite a historic moment there in the dmz. richard? >> you know, with that, hans, let's goth straight back to the dmz with richard engel, our chief foreign correspondent. richard, do we know in terms of timing, is it any moment that we expect president trump to be arriving there, t richard? as well as kim jong un? i see there's buses behind you. ie' don't know if that was ther earlier when we were speaking. >> reporter: no, there have been buss and? traffic moving in and out of this viarea. on the south korean side the dmz is something of a tourist