American playwright John Guare on Tennessee Williams, writing strong dialogue, and discovering a New Orleans lost in history. Every year New Orleans hosts a festival named for their adopted native son, American Playwright and longtime New Orlenian Tennessee Williams. This year contemporary American playwright John Guare will speak at several panels, and one can only hope he will attend the annual “Stella!” shouting contest. I sat down with Guare to discuss his most recent play, set in New Orleans and the influence of Tennessee Williams, an artist Guare credits with bringing American language into the theater. As Guare puts it, New Orleans was a “magic place” for Tennessee Williams, a place that allowed him to stretch who he was (literally, by changing his name).…