Same, but I reckon about 3 of the 4 hours will be him consulting with his counsel before answering even basic questions. Bet they don't get the chance, unfortunately.
It's a Parliamentary Committee and therefore subject to Parliamentary Privilege, so there is no counsel. But there is the same level of protection from legal action or criminal investigation that exists in the Chamber, so you don't need it.
Same, but I reckon about 3 of the 4 hours will be him consulting with his counsel before answering even basic questions. Bet they don't get the chance, unfortunately.