Just briefly. I wonder if he's had time to reflect on one of the more radical proposals or discussions that came up, which was: if the union continues as the union is, then it seems that this swimming upstream against what the UK Government does is just not a parity of esteem, a respect of what's going on, isn't a fit with our policies. So, it would be interesting to see if, on the joint ministerial mechanisms and so on, there is a way of incorporating welfare and the benefits and social security system within that. So, if Ministers at the UK end were to put forward some radical proposals, we could say to them, 'Well, I'll tell you what it'll do in Wales, so we want some compensatory mechanism to actually deal with that'. Now, I'm not saying this would happen, but what does he think of it?