to cut off all oil and fuels going into north korea. that's according to "the new york times." a senior administration official tells the paper this is the last best chance to resolve the nuclear standoff without getting the military involved. back the john roberts now live at the white house. john? >> the past 48 hours, the president has been rattling sabers against north korea. had several calls with the presidents of japan and merkel of germany. they were all specific about the fact that the president mentioned the u.s. has nuclear weapons and is ready to counter any sort of common threat that comes from north korea on that point. that follows james mattis in sunday afternoon statement out here on the driveway, one that was to me -- i never heard anything like that before, it was extraordinary -- where he