before they went on this patrols. lets not suggest they put their guards down, they are creatures of habit. every mission requires a certain preparations. i know they went through those stages of preparations. something has changed isis fighters came across across the border from mali, yes, i would suggest there is potentially intelligent failure again. the department of defense and africa command which had ownership of all of this will reveal it shortly. i hope they'll get through it as quickly as possible. >> david mckenzie, thank you. president trump says his chief of staff could not believe what he was wearing after a congresswoman made a comment.