julie: hostile rhetoric between the u.s. and north korea only heightening long-running tensions. earlier this morning, in fact, national security adviser h.r. mcmaster addressed the issue and stressed that the rogue regime is not just our problem. the president, through his engagement with world leaders, with our allies, our great allies japan and south korea but also china v recognized three fundamental things. this isn t just a u.s. problem, this is a world problem. the second is that china has real influence to be able to cope with this. and the third, and this is most important, that the goal, the common goal that we have to pursue is denuclearization of the korean peninsula. julie: joining us to discuss is texas republican congressman will herd, a member of the overnight committee.