Winning a Pulitzer Prize and staging productions at prestigious theaters didn't mean playwright Sanaz Toossi was ready to stop fine-tuning English. "I'm never done," she told one of the play's stars, making small adjustments in the final days leading up to its Broadway debut. You can't blame the 33-year-old Iranian-American for wanting to get it right. After all, English isn't just her first Broadway production"it's…
