With "Wicked," director Jon M. Chu writes his own story

Wicked – the 20-year-old – smash hit on Broadway turns the story of the "Wizard of Oz" on its head. Now, the story of Elfaba the Wicked Witch of the West, Glinda the Good Witch, and the Wizard himself is making the shift from stage to screen. The director bringing the Broadway hit to screens across…