The folks over at Blizzplanet have stumbled on the latest bit of cheeky pop culture humor the Blizzard has hidden away in Warcraft's latest and greatest expansion, The Burning Crusade. Deep in the heart of the Karazhan Dungeon lies an Opera Hall with it's own special easter egg surprise in the form of a stage performance of The Wizard of Oz. Although the names of the characters have been changed to protect the innocent (and avoid copyright infringement), the dialogue and loot such as the...