must be irreversible. >> we use the word with great intention. we will require the steps that demonstration that denuclearization is achieved. we will not take promises. we will not take words. we are looking for actions and deeds. until such time, the president has made it clear. we will keep the pressure campaign in place until we achieve it. >> the progress on the korean peninsula had the president's support supporters in a frenzy at a rally in michigan. >> that's very nice. that's very nice. nobel. >> nobel peace prize for president trump. think about that possibility. for the latest developments on the korean peninsula, we go lvee to seoul and bring in paula