Three weeks in, after a Titanic list of Tory blunders, we can say one thing with certainty: the Conservatives’ general election campaign can always get worse.

So let’s just take a moment to pay tribute to those whose hard work has made this possible, in particular Douglas Ross, whose heroic misjudgment by manoeuvring himself into resigning mid-campaign deserves special recognition. Politicians like that don’t come along every day. Ross may be relatively little known outside Scotland, but this shows he could hold his own on a UK platform next to the likes of Dominic “where’s Dover?” Raab, Gavin the Gaffe Williamson and even Rishi the Hapless himself.

But while we all goggle at the Scottish Tories, something significant has been happening to the SNP. It appears that a slow process of metamorphosis is taking place. John Swinney seems to be shifting position on key policies. It makes you wonder: do we really know what the SNP stands for any more?

There are question marks over how much of a priority independence is to Mr Swinney and how far he’s willing to go regulating business to improve public health, but the biggest shift we’re seeing is in the signals the SNP is sending on climate change.

Read more Rebecca McQuillan

Come on Swinney, SNP supporters deserve better than this

Could this be the thing that spells the end of the union?

Less than three years ago at COP26, Nicola Sturgeon boasted that Scotland led the world in the race to net zero.........

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