to let him be questioned? >> i think there are possibly three ways to evaluate this. one is they're testing to see how well the president might hold up in interview with mueller. they could be starting the process of mock interviews in the same way you might prepare for a presidential debate with mock debates and questions and simulate what's going on just to see how the president does to help them make a decision about whether to comply or not to comply with the request. two is the lawyers could have concluded this is a big mistake, that the president is not ready for this, doesn't have the discipline to go through this, and they're going to try to prove to him through these prep sessions that this is not what he wants to do, and that we have to think of a different legal strategy. or third, they could be saying, look, this is inevitable. the case law, nixon v. the united states, clinton v. jones, don't give us much room to