ON THE morning of January twenty fourth the Supreme Court docket dominated that Britain’s authorities has to place Article 50 (the formal two-year course of by which Britain will depart the European Union) to a vote in parliament. It ought to by no means have come to this. Final summer time Brexiteers gained the EU referendum by pledging to return sovereignty to Westminster. It was shabby of Theresa Could to attempt to bypass legislators—and a strategic misjudgment to waste time by interesting December’s ruling by the Excessive Court docket, which the Supreme Court docket has now straightforwardly upheld.

Some detect an institution stitch-up: Iain Duncan Smith accuses the judges of telling parliament what it ought to do. On this (like a lot else) the welfare secretary is mistaken. Smart Brexiteers are tellingly welcoming the judgment, the essence of which is that the chief’s “royal prerogative” doesn’t empower it to overrule the 1972 act taking Britain into the EU. The result’s a victory for parliamentary democracy and a credit score to Gina Miller (pictured above), the businesswoman who bravely introduced the case within the first place (she has been showered with dying threats for her troubles).

The ruling is unlikely to forestall Mrs Could from triggering Article 50 by her self-imposed deadline: the top of March. She is anticipated to place a slender, single-clause (and thus pretty amendment-proof) invoice to parliament imminently. Scottish Nationwide Occasion MPs and a handful of Labour ones are anticipated to vote towards it however there isn’t a query of it not clearing the Home of Commons. There’s a increased (however nonetheless sub-50%) probability that the Lords will try and frustrate the invoice, however at most they’ll delay its progress. Crucially, the courtroom’s judgment doesn’t give governments in Scotland, Wales or Northern Eire a veto.

What the ruling will do is make Britain’s constitutional tensions creak and groan like by no means earlier than. The actual fact that it was mandatory spoke to the ambiguities created by the absence of a written structure. The prospect of even a minority of Lords voting towards the results of the referendum will spotlight the arbitrary character of the unelected higher home. Whether or not MPs vote as their constituents did (some Labour MPs with seats that strongly voted Go away have already indicated they’ll vote towards the invoice) will probe the boundaries of consultant rules. The debates might drive MPs to stipulate what kind of closing Brexit deal they might (and wouldn’t) vote for on the finish of the Article 50 course of, when the end result of Mrs Could’s efforts in Brussels will go earlier than each homes.

Most of all of the ruling illustrates the peril dealing with the union. The response from Nicola Sturgeon was ominous: “it’s turning into clearer by the day that Scotland’s voice is just not being heard or listened to throughout the UK.” It’s “turning into ever clearer” {that a} new independence referendum is required, she added. In Wales, too, it might stoke calls for for extra autonomy. Then there’s Northern Eire, the place EU membership is integral to the already-fragile peace settlement and the place Mrs Could’s “exhausting Brexit” threatens to impose a tough border. That this could now go forward with the say-so of Westminster, however not Stormont, will certainly irritate the sectarian divide additional.

All of which implies it’s more and more exhausting to think about Britain holding collectively with no new, extra federal mannequin involving some extent of political reform. As I wrote in my column in December:

Britain’s unwritten structure runs on deference to steadily amassed precedent. Brexit will create rifts and ambiguities for which no clear precedent exists, and such a quantity and tangle of them that trying to “muddle by means of”—that’s, botch collectively case-by-case settlements—might end in paralysis or disintegration. Higher, absolutely, to confront all of the interlocking quandaries in a single massive public dialogue resulting in reforms and maybe a written structure. They are saying Britain prevented the “constitutional moments” of continental Europe and America as a result of it skilled no post-Enlightenment revolution (Charles I misplaced his head in 1649). However Britain might now be approaching such a second whether or not it likes it or not.