By all means grill him and grill him hard but fair dont abuse him or shout at him.
As my good old man said once you start shoting you have lost the argument.
Remember he didnt have to face you lot how many chairmen would ?
If he dosent answer to your liking press him but dont abuse him.
And at the end will someone calmly ask him if he is going to give DJ his P45. Please remember the calmer it is the more answers we will get