"the o'reilly factor." >> greg: in the impact segment tonight, the stand that with north korea, the united states is bracing for a possible nuclear test by the rogue state. military tensions are escalating to dangerous levels. joining us now from d.c. with the latest, our own world fox news chief washington correspondent james rosen. james, are we about to go to war with captain crazy pants, i'm referring to the punk in the pantsuit in north korea? >> likely not. what we are seeing really is the trump administration trying to send the message to north korea. and his patron state in china that business as usual can't go on like this any longer. they have been testing nuclear devices for over ten years in north korea, some 2 million people have starved to death in that country to fund this program. and they had this extraordinary missile inventory which they keep testing. and our allies in that region,