the source of fmaterial directl or indirectly to a rogue regime or terrorist group. problem with a transfer to a terrorist entity, there isn't a good deterrent option. >> reporter: robert galuchi and other analysts who sounded the warnings before congress say there's no clear-cut path for president trump and his security team to deal with all of these threats from north korea but says he believes it was the wrig right move for the president's new defense secretary james mattis to make south korea the first stop on his new job. coming up a federal appeals panel is about to hear emergency arguments an president trump's travel ban. we're going to bring that to you live.