investigate ambassador volker? would that be appropriate? >> in those hypothetical cases, no, not appropriate. >> but you're not sure about joe biden? >> sir, again, i can only speak to what i understood at the time and why i acted the way i did at the time. >> finally, my colleagues asked about, well, doesn't aid get held up for all kinds of reasons. ambassador volker, have you ever seen military aid held up because the president wanted his rival investigated? >> no, i was not seen that. >> have you ever seen that, mr. williams? mr. morrison, i'm sorry. >> no, chairman. >> i yield to the ranking member. >> so you took two additional minutes. are you giving our side seven minutes? >> of course. >> i recognize mr. turner.