mind, he talked to us about what may be the toughest deal he will ever work on. in his new year's day speech, kim jong-un said the entire area of the u.s. mainland is within our nuclear strike range. that's got to make you nervous. >> rex tillerson: it does make us nervous. it-- it also-- it also stiffens our resolve. that kind of a threat to the american people by a regime like this is not acceptable. and the president's meeting his responsibilities as commander in chief of asking our military, secretary mattis at the defense department, to ensure we are prepared for anything. >> brennan: and those military options are there in case you fail. >> tillerson: in case i fail. i say to my chinese counterpart, "you and i fail, these people get to fight. that's not what we want." >> brennan: but you are willing to work with, and potentially negotiate with kim jong-un. >> tillerson: well, that's who we will have to work with to achieve this diplomatically. what we have to determine now...