Together with Sonia Friedman and Ian Rickson, the Hollywood star has helped to create a new initiative aiming to provide high-quality theater for a low priceOne night last month in the West Village, I had the pleasure of being nervous for Hugh Jackman. On stage at the Minetta Lane Theatre, the 56-year-old movie star and Broadway veteran appeared startlingly undefended and vulnerable. In character as a middle-aged university professor infatuated with his 19-year-old pupil, Jackman addressed the audience for a play called Sexual Misconduct of the Middle Classes with the lights up, as if helming a lecture full of shy students put on the spot; when one viewer sneezed during Jackman’s monologue, he paused to say bless you.I fretted a few rows from Wolverine, more aware of my fellow audience members’ faces and cellphones than I’ve ever been at a New York show and acutely attuned to the fact that this all could go awry at any moment. Theater is always a contract between audience and perfor...