Macbeth: Staged: the origins of YA's greatest tropes

'It will have blood, they say- blood will have blood.'On a bleak, stormy night, three witches prophesy- Macbeth will be a lord twice-over, Macbeth will be king, Banquo's sons will be kings.When their predictions start to come true, the ambitious Lady Macbeth vows to help her husband become King of Scotl...