>> we have a hotline. it is a ring down phone. it works and we have tested it four times a day. >> you pick it up, it rings there. >> yes, sir. they are not answering right no now. [line ringing] no answer. >> if things are getting better connected between north and south korea, the gap between pyongyang and washington is getting wider. the regime of kim jong un has yet to react to president trump's latest tweet, stating his nuclear button is bigger and stronger than kim's. >> translator: we hope north korea and the u.s. can resume dialogue and establish mutual trust as soon as possible instead of showing assertiveness and challenging each other. >> considering the threat posed by kim jong un, president trump's supporters think his message is just right,