The main difference between the official Edinburgh Festival and the Fringe is scale, especially in budgets and running times: the main official event, “The James Plays” (reviewed here last week) stretched to around nine hours while the average Fringe show lasts 60 minutes, meaning that this selection is made from around 50 productions I was able to see in eight days.Monologues often dominate the Fringe listings – because the cast is cheap to transport and accommodate – but there are two particularly high-class examples this year. In Cuckooed (Traverse), comedian and activist Mark Thomas tells the alarming true story discovering that a close friend and colleague in the campaign against the arms trade was actually a spy for a weapons manufacturer. Following recent di