Until recent times the Glasgow Fair Fortnight meant an enforced two-week break in mid-July, when most of the city’s workforce departed to points south and west, known colloquially as going doon the watter. Rothesay on the Isle of Bute was the resort of choice within our family, having rejected Dunoon after a miserable holiday spent in quarantine when my siblings and me went down with rubella and when on another occasion I almost drowned, fully clothed, in the town’s…