Boris Johnson can't always rely on feuds to derail Scottish independence | Simon Jenkins

The row between Alex Salmond and Nicola Sturgeon won’t halt the nationalism that is rising across the union

Anglo-Scottish relations are heading for an almighty crash and Boris Johnson cannot look the other way. By the time he has finished in office, it is perfectly possible that Scotland will have gone the way of Ireland in 1922 and Northern Ireland will have voted itself back into the Dublin fold. The United Kingdom would be no more and it would emphatically be Johnson’s fault – because the tri...