‘This, the shortest scene in the play, features a further irony. Othello is inspecting the Venetian defences against the enemy, little thinking that his personal defences are soon to be undermined by an enemy within: Iago. The fact that he is inspecting the defences may be a further indication of Iago’s ingenuity, since this may be the means he uses to “draw the Moor out of the way” (Act 3, Scene 1, lines 37–8), thus fulfilling the promise he made to Cassio.’