to e honest, I don't have a problem with that aspect of this. he has the right to say anything he wants at a hearing format like this - there is no requirement for him to be a sheep. what he is saying is another thing, its up to the senators to properly grill him.
True, was he granted dimplomatic immunity from prosecution?
Nonsense, he is a member of Parliment - he should respond to the point and with respect.