Devolution to Scotland, in its current incarnation, is a relatively recent constitutional phenomenon. The devolved Scottish Parliament, based at Holyrood in Edinburgh, and the Scottish Government were established by the Scotland Act 1998 (“the 1998 Act”), and the first elections to the Holyrood parliament, from which a government was selected, were held on 6 May 1999. It would, however, be a mistake to think that Scottish devolution only began in 1999. On the contrary, elements of a distinctive Scottish governance system have been in place ever since the Union of 1707. Although officially an “incorporating union”, in which the previously independent Scottish and English states were dissolved and merged into a new state of Great Britain, the...