jillian: donald trump offering strong protections if it denuclearize is. griff jenkins live with those development ahead of the high-stakes summit. >> in an oval office meeting, donald trump offered reassurance but set a stern warning to north korea that despite threats to pull out of the summit it is in rob: -- kim jong un's interests to follow the dealer meet the same fate as qaddafi. >> libya, we decimated that country. this would be with kim jong un, something where he would be in his country, running his country. his country would be very rich, his evil are tremendously industrious. that model will take place if we don't make a deal most likely. >> reporter: the secretary-general offering support of the push for denuclearization on the peninsula. >> we support the initiative,