NBC’s ‘Wicked’ TV special: How to watch, what to expect and will you be changed ‘for good’?

By Dan Heching, CNN (CNN) — Somehow, it’s November, and our long wait for the conclusion to last year’s hit Oz-set musical extravaganza “Wicked” is almost over. But first, NBC is dusting off the broom and glittery tiara for a TV special airing Thursday. “Wicked: One Wonderful Night” is set to feature some of the