at the border yesterday firing a non-lethal pepper ball gun. what do you make of the optics here? >> well, i think that's -- you know what they say, there's an audience of one in washington if you're a cabinet official. certainly the audience here is president trump. he hasn't picked a new defense secretary. perhaps shanahan wants to show that he's the guy by saying he's on point. >> given their immigration policies we all know about, what was your take on what we saw in the video? >> i think that's exactly right. we have to remember that the acting defense secretary is still trying to get nominated formally for the job, but he has an interesting sort of line to walk. not only does he have to ensure that the defense department's core mission is being implemented and played out. we've seen a lot of action from