there's a great celebration to be had on the site, not in a third party country. our sources say that is the main attraction for the president. a diplomatic drama televised live around the world. for the very latest we'll check in with alexandra field live in seoul. some dramatic pictures then and another dramatic meeting ahead. good morning, alex. >> absolutely, dave. good morning to you. millions of people watched that historic moment where you saw the leaders of south korea and north korea stepping over the line of demarcation. certainly the president was watching closely. we now know he like bhas he saw, the optics of that meeting at the dmz. south korea is saying that there's no place more symbolic to have a summit that would take place between north korea and the united states. and from the logistic standpoint certainly it would make sense for north korea. they have to be concerns about how the leader of north korea would travel to a summit could be farther afield.