go on eight, nine, ten hours, a lot of other things come up. >> exactly. >> and so the potential to go in different directions beyond the sort of original core of the questioning is what may be the most valuable part of his appearance today. >> john, i want to ask you about the impact of david hale testimony? just a second. just on this point first. you heard from manu kind of what republicans, some republicans are saying this morning. i often find it takes a moment for it to marinate and set amongst republicans on capitol hill, where they are going to decide where they react. with ra ready to on sondland's revision what you hear from republicans is that this is only sondland's opinion and now they're saying that the only person to listen to is the testimony of curt volker, because he said that he didn't know about quid pro quo. is this now coming down to who is more credible when it comes to current and former officials that are testifying? is that a good place -- is that the safe place to be? >> i think it's really who is