Lawyers with an awkward agenda can be a thorn in the government’s side in Scotland as much as in England. Last year, for example, they persuaded the Court of Session to refuse a green light to Nicola Sturgeon’s bright idea for a unilateral Indyref2; and in a much higher profile case a couple of years earlier convinced the same court that the SNP had unlawfully and quite unfairly botched its investigation into Alex Salmond.