let me ask you about this because this official added that war dictates personnel policies. i have to ask you what you make of this move because the ukra ukrainians, against all odds, have just been exceptional in the way they have repelled russia's aggression throughout all of this for nearly a year now. isn't there some risk involved in replacing the defense minister at this point? >> oh, absolutely, jim. and it's great to be with you again. the real problem that you have when you're making these personnel changes is the cascading effect that they may have. you know, when people are sitting in positions like minister of defense or chief of a general staff or, you know, one of those kinds of positions, they have a lot of people around them. some of them, they've brought with them. but there's a machine that if it works well, it can be really bad if you disrupt that machine. so in the case of defense minister reznikov, he seemed to get along really well with people like secretary of defense