There's nothing quite like taking a trip with an old friend. Deena Liffman is like one of those long-lost acquaintances who just has a way with words and never seems to fail to put a smile on your face. That combination of humor, knowledge and fun is what makes Providence Tours by Deena such an enjoyable experience. Deena is a veritable treasure trove of trivia, facts and secrets about the people and places that have played significant roles in the history of Rhode Island's capital city.