If the passion of David Cameron, the Saltire flying over Downing Street and the threatened departure from Scotland of major business houses do not between them dissuade Scots from their interesting proposal, what remains of the United Kingdom will require a new name. This would not have been a question a hundred years ago. Conservative politicians and journalists for sure, and many others, rarely if ever spoke of 'Britain' or 'Great Britain', still less of the 'United Kingdom' or 'UK'. It was invariably 'England'.