Broadway is tapping into the reality TV game, offering to let viewers choose the lead actors for a new revival of Grease, and known theatre commodities need not apply. But it’s a risky gambit: “Reality television producers and viewers still love the nobody from nowhere who wins it all; the first episode puts heavy (and at times, teary) emphasis on the contestants’ personal stories. But the winners also have to hold up a $10 million musical eight times a week for at least a year, a demanding feat for a total greenhorn.”