My Lords, I thank the noble and learned Lord and I apologise for the fact that I missed the opening skirmishes of this debate. May
I put a point to him which is utterly fundamental? The noble Marquess, Lord Lothian, said that we would know national security when we came across it. To put a judge in that position would mean that we would give them a legislative function as opposed to an interpretative function? That should be avoided, should it not? I do not expect an immediate answer from the Minister, but could I leave him to mull over this thought? It may be that a different approach could settle the matter in this way. If there was a definition of national security—something of the order of dealing with a situation that jeopardises, or has the potential to jeopardise, a fundamental function of the state—might that be not unacceptable?