Chris

My guess is a junior, possibly in defence given the reference to Trident.

They are all hopelessly vain, they like to sound like they have the inside track and are worth being kept sweet by hacks. He or she has a view which they are entitled to and the quote fits the 'no campaign in disarray' narrative so eloquently elucidated by the Daily Wail this morning (a story carried in several of the papers, incidentally, without similar hysteria).

Note the Graun carefully describing them as someone who would be involved in negotiations in the event of a Yes, and not someone who has anything to do with things at present. To be frank, that means just about nothing, seeing as the process of separation would of necessity involve every department in Whitehall that currently exercises powers not devolved to Holyrood (which, by the way, is still most of them).