>> this has been a hallmark of his presidency, on the one hand going after leadership, in this case generals, but also he has surrounded himself by generals in ways that other presidents hadn't. >> well, he did early on. that's certainly the case. but what we've seen is there's been steady attrition over the three years of his presidency. and people like general mattis, who was his first secretary of defense, ultimately up and left with a very strong statement saying you deserve somebody who basically has your point of view. we have not seen a lot of that, of people who have served him who have gone out with some anger, but we did see it with the navy secretary recently, who was very upset about the intervention on the eddie gallagher case. >> up next, joe biden hits the road in iowa with a clear message for his 2020 rivals, don't count him out just yet. e d minivan three years in a row. the van just talked. sales guy, give 'em the employee price, then gimme your foot.