president trump issing on way to vietnam. he ll meet for the second time with the north korean dictator kim jong-un. the president says he and kim see eye to eye and predicts a, quote, very tremendous summit. brian todd is joining us right now. brian, the stakes very clearly high for this meeting. the stakes are enormous, wolf, mostly because of what s widely seen as an ineffective deal the two leaders made in singapore a little over eight months ago. today we ve spoken to veteran diplomats who have very specific ideas about what would constitute success or failure at this summit. is a high-stakes meeting that the president is predicting will come down to a personal connection. right after this meeting, i leave for vietnam where i meet with chairman kim and we talk something that, frankly, he never spoke to anybody about. reporter: the president s second summit with north korean dictator kim jong-un comes with the possibilities of huge successes or major pitfalls for the two men.
him about complete denuclearization and peace and i think president trump sees himself on the cusp of a great historical accomplishment. reporter: tonight, as kim moves toward vietnam in his heavily armored train, there s enormous pressure on both leaders to come up with a more substantive deal than the vague agreement they struck in singapore more than eight months ago. it s a test of kim jong-un s sincerity and something that s the most important indicator to watch for in the summit. reporter: mark lippert knows sting about how difficult it is to reach a deal. lippert put his life on the line working toward peace between the two koreas and a u.s. i need an ambulance fast, get me to the hospital. reporter: in 2015, a south korean extremist stabbed him in the face at an event in seoul while lippert served as u.s. ambassador to south korea. he believes a successful summit would be for trump to get kim to make specific commitments. i thnk atink that at a minim would start to
doubts persist about whether the regime is permitted to giving up nuclear weapons. we are speaking loud. i think we can have a very good summit. i think we ll have a very tremendous summit. we want denuclearization. trump spent the weekend tweeting he realized without nuclear weapons his country could fast become one of the greatest economic powers any where in the world but also lowering expectations about what might be adhooefed in the second summit. what is going to happen i can t tell you. i think eventually it would. i don t want to rush anybody. i don t want testing. as long as there s no testing we are happy. despite the rosie outlook they say they are concerned he might con seed too much to kim in vietnam. so far north korea has taken no known concrete steps since the last summit. intelligence officials have concluded they are unlikely to
arrived. the same people who we saw running next to kim s limousine back in april. in terms of how this is going to play out we know he is lex ri trained and should be pulling up to the city somewhere perhaps within the next hour or so. they are actually shutting down all of the roads that lead from the vietnam border here. so you ll see roadblocks like this incredibly disruptive as they decided to make a land trip. he wasn t happy he has to use a chinese plane. they rnlt up to making a short trip to vietnam which is why he has been ton rails for a couple of days. thanks very much. we ll be staying in close touch with you. back here in washington the
street flam vietnam. cnn is joining us live right now. you re there in front of his hotel. what does he want out of this summit? reporter: well, what he wants is economic relief. the blue house saying president trump and kim jong un could declare to end the korean war without kim taking any steps to get rid of his nuclear weapons. to set the scene for you here we are here where yesterday we were able to stand across the street. today the entire road blocked off. you can see police are here checking everyone s id. reporters not allowed inside. as we pan up we know kim jong un is expected to be staying in a lavish suite. his security detail already