Much like some scripts, life often comes full circle. For Sharon Hunter, founder and producing artistic director of the new Moonstone Theatre Company, the proof is in the performance. The St. Louis native spent a decade in New York City, cutting her teeth as a professional actor, director, singer and producer. Hunter’s homecoming marks the start of a new act – both for her and for regional arts. “What I’m doing now, I finally feel like I’ve melded both sides of myself,” she says of founding Moonstone. “For years and years