Edinburgh theatre review: The Divide; Flight; Adam; Meet Me at Dawn
King's theatre; Church Hill theatre; Traverse, EdinburghA six-hour Alan Ayckbourn epic is outdone by some tiny model figures, a true-life transgender tale and two marooned women with a secretThe Divide is one of the most astonishing failures I have seen on the stage. Astonishing not because a floundering drama is at the centre of the Edinburgh international festival's theatre programme. It is hardly the first. But be…