pre-emptive strike? >> reporter: they always have options full ai cross the board. 234e have an option for everything. back to what you said a minute ago. updating. that's the key here. they are updating the options now, because north korea is making progress in its ability to build a weapon, a missile and a nuclear warhead that could some day attack the united states, and they are beginning to better be able to essentially deceive the u.s. about their intentions. hiding their test program. hiding their launches until the very last minute. all of this leading to concern that the u.s. has options for the president, if there was to be a leak to it, a destabilizing test and have to give the president an option to respond to all that. listen to a little snip of what the national security adviser, h.r. mcmaster had to say about this. >> the threat is much more