Unionists beware: May will put Britain first

Realpolitik will eventually give us a wet border - in the Irish Sea - and if that makes unionists feel less British, they’ll have no option but to put up with it

One size fits all is generally the way in which sovereign nation states go about their business. But the United Kingdom is not an arrangement of equals. Britain’s unwritten constitution and tradition of muddling through - with a combination of ambiguity and asymmetry - has become a defining aspect of our political culture.

Scotland, for instance, has its own parliament, but Wales only gets an assembly. As for the North, well, it’s anomalous ...