At First Minister’s Questions this afternoon Nicola Sturgeon accused Ruth Davidson of peddling baseless conspiracy theories, dredged up from ‘the bottom of the barrel’. For all that Davidson, like the rest of Sturgeon’s political opponents, might profess that their interest in the Salmond-Sturgeon affair rests on nothing more than ‘just the facts, ma’am’, the First Minister was clear their concern is primarily opportunistic and political.