(Credit: Francesco Guidicini) Maria Callas left an indelible mark on the opera world and continues to inspire artists around the world. Last year the opera world honored “La Divina’s‘ centennial with numerous celebrations, concerts, books, and documentaries, among many other events. Among those celebrations was award-winning author Daisy Goodwin’s “Diva,” which explores the intimate story of Callas through the heartbreak {…}