Those veteran producers of televised musical specials, Neil Meron and Craig Zadan, revived the live-TV musical genre with 2013’s The Sound of Music, then went one step backward with the much lower-rated, and less satisfying, Peter Pan last year. Tonight, they’re back to try,try again, this time with a revamped production, even with some new music, of the Tony-winning 1975 The Wiz. This new television adaptation of the colorful take on The Wizard of Oz stars a newcomer, 19-year-old Sh