Although last week's vote in Scotland preserves the U.K., expect the Union to be transformed as the Scottish people hold British politicians to their campaign pledge of giving the Scots more power over their own affairs.
The No-to-independence campaign in Scotland was greatly helped by the publication of a joint pledge by all three U.K. party leaders that there would be speedy legislation conferring extensive new powers to the Scottish parliament.
If the Scottish nationalists had won, they'd have started a risky, costly transition to independence, but the final destination would have been clear. The unionists' victory avoids that short-term pain but prolongs the constitutional uncertainty.
Until last week, almost nobody outside Scotland took very seriously the possibility that Europe's most stable and durable nation — the only big country not to have suffered invasion, revolution or civil war at any time in the past 300 years — might soon ...