NEW YORK (Reuters) - Cuban-American singer Gloria Estefan and her music entrepreneur husband, Emilio, are developing a new Broadway show based on their lives, the show's producer said on Tuesday. The couple is working with the Nederlander Organization on the show that will trace their lives from leaving Cuba to international stardom. "The Estefans' journey of success, led by raw talent and passion, is captivating as it drove them from relative obscurity to global sensations," Jimmy Nederlander, the organization's president, said in a statement announcing the deal. ...