But what I don't understand is if you were happy as a Government to set out with us what our position was when this document was published, why is that still not the case now? I want to work together on this. I'm really proud that through the work that's been done by Steffan Lewis more than anybody on our side—it's good to see Steffan with us today—we have been able to bring Government towards us on some of these core issues, and will continue to try to do so. 

Now, apart from the customs union issue, I think Jeremy Corbyn's Labour position has another fundamental error, in that he is committed to pulling out of the single market. He wants to pick and choose aspects of that market, but President Tusk, as we know, has said that there can be no cherry picking, and no single market à la carte. The solution is that we need both: customs union and single market. Jobs in Wales need both customs union and single market. The port of Holyhead in my constituency, our constituents, all of us, need both. It feels as if, at every corner, the Welsh position is being undermined and undercut by the whims of Westminster, and by that I mean the whims of Government and opposition at Westminster. You know that the position I have set out, that Plaid Cymru has set out, makes sense. Will you help us deliver it?