what the prosecution is planning to do in terms of the questions that they might ask, if he does -- donald trump does take the stand, what kind of cross examination they would raise, issues including some of the past cases against him. does that have to happen before the jury is seated? >> it's called a sandoval hearing. >> does that -- >> before opening statements? >> exactly. >> yes. definitely. quite frankly, it should have happened before jury selection. judge merchan did it differently. it has to happen. the defense needs to know whether or not they will, in their opening statements say, my client might testify. you might hear x, y, z. they don't have to do that. some defense attorneys want to be able to prepare the jurors for what they may hear. yes, that definitely has to happen before opening statements. this is going to be a long day,