Of all the musicals to put on live TV, why 'The Wiz'?
Producers Craig Zadan and Neil Meron have had a good run at NBC doing live broadcasts of great Broadway musicals. Nearly 20 million people tuned in to see Carrie Underwood teach the von Trapps to sing in "The Sound of Music." Another 10 million watched Allison Williams fly around with Wendy, Michael and John in...