washington republican u.s. senator lindsey graham sunday urge pentagon start move u.s. military dependents spouses children south korea say conflict north korea get close crazy send spouses children south korea give provocation north korea graham member senate arm service committee say cbs face nation want pentagon stop send dependents think time start move american dependents south korea graham say unite state 28,500 troop south korea legacy 1950-53 korean war wednesday north korea test new type intercontinental ballistic missile icbm fly 13,000 km 8,080 miles place washington within target range south korea say friday graham say development show conflict approach get close military conflict north korea march toward marry technology icbm nuclear weapon top get america deliver weapon run time graham tell cbs pentagon refer question pacific command immediately available comment white house national security adviser h.r mcmaster tell fox news sunday president donald trump prepare take action north korea work convince china russia nations use economic pressure help curb nuclear ambition president go take care want convince others interest mcmaster say trump administration repeatedly say options table deal north korea ballistic nuclear weapons program include military ones still prefer diplomatic option pentagon move u.s. dependents south korea due north korean threat senator