He's a very sensible, intelligent, person. The question that he put forward re the Budapest Memorandum was intended to draw out exactly what kind of response/excuse that would be advanced by members of the panel. To not have it put them probably peed him off somewhat, as they are told in advance which questions will be accepted, and which will not.
The other purpose of my post was to highlight the procedure for that show, which I did not know of before, which was submitting two advance questions, and then another upon entry. In other words, totally 100% stage-managed - nothing whatsoever off-the-cuff...