We have a minority government. You can forget everything else you learn about Brexit this week, but you can’t afford to forget that bit. You’re going to need it.

During the parliamentary debate on invoking Article 50 — the rule that enables member states to leave the European Union — the Labour Party and some Tory rebels insisted upon, and the government conceded, a meaningful vote on the terms of our departure once they become clear.

Whether or not this was an important concession at the time it was made, it certainly is now. Ordinarily the opposition would not have the ability to impose its policy, but now it might.

So for all that the Conservatives are in a horrendous position on Europe, Labour’s position