taking part in any kind of sales of oil that would violate u.n. sanctions. the treasury department note d last month that there were north korea ben shipping companies that were attempting these ship to ship transfers likely of oil to evade u.n. sanctions, but the president is on vacation here in mar-a-lago. he was on the golf course when the tweet was sent. we've reached out to a number of of his aides at national security counsel. was there something new that set off the president? some new piece of information he had confirmed? did he know there was a new transfer attempt and we got no response ch it's worth remembering that the president travel wg a very thin staff when he goes on vacations like this. so it's possible that even his own staffers don't knowd the pr to send this tweet today. >> all right, thank you very much. with me now, the author of nuclear showdown, north korea takes on the world, gordon