Why have Scottish Labour supporters drifted to the ‘Yes’ camp?

The dramatic tightening of the Scottish independence polls can be partly explained by a drift of Labour supporters to the ‘Yes’ camp. How can we account for this drift? Eric Shaw writes that the clarion call – ‘vote Yes and get rid of the Tories forever’ – has resonated amongst Labour voters. Moreover, class identity and class solidarity have weakened over the years, being often replaced by more assertive and powerfully-experienced national attachment.