Summita Go News Today

Pause while talks with pyongyang proceed. for more, lets welcome in matt rivers live in seoul. matt, whats the latest? >> reporter: oh, we have a couple of indications here that the u.s. continues to engage in working level diplomacy to make the summit a go. it was yesterday we know an american delegation crossed into the north korean side of the demilitarized zone north of where we are in seoul to meet with the north korean side to try to hash the details of the summit. that is a huge task. the...