By the court of session in scotland, which was fronted by the snp qc joanna cherry. 75 mps put their names to the challenge and one of them joins me now. You must be very happy with the judgment. What does it mean, do you think, constitutionally . It means the Prime Minister is not able to do this. We live within the rule of law. What the 11 judges found unanimously is that he worked against parliamentary democracy and had broken the law, and prorogued it for five weeks. Normally it would be five days. Is it a constitutional shift, this, or a restating of our unwritten constitution that parliament is sovereign, and it oversees the rule of the executive . Which underlines the fact that we do still at the moment live in a parliamentary democracy under the rule of law. When borisjohnson says he disagrees, i mean, he isnt in a position to disagree. Ii he disagrees, i mean, he isnt in a position to disagree. 11 independent judges in our Supreme Court, the highest court of the land, have jud