So farewell then, Nicola Sturgeon. When a politician’s career ends, it is the duty of responsible commentators to deliver a fair assessment, making a sincere attempt to balance the defects with whatever achievements may be chalked up to the departing legislator. Alister Jack, Scottish Secretary, faced that challenge in attempting to find something creditable to say about Nicola Sturgeon: all that he was able to dredge up was her contribution (or perhaps her refraining from opposing) the creation of two Scottish freeports.