John Swinney is right about one thing.
The Treasury has indeed decided to "make things sound as difficult and obstructive as possible". The argument over the currency that might be used in an independent Scotland is essentially political, not economic. But then, what did the Finance Secretary expect?
Mr Swinney, a moderate man, probably understands exactly what George Osborne is up to with his Scotland Analysis: Currency and Monetary Policy report. In effect, the Chancellor has come to Glasgow and said: "Vote for independence if you like. But in any sense that matters, we won't allow it." In some circles, it's known as a threat.