How Much? (US Edition) Admin at 11:33 am August 1, 2013 Richard Rourke writes: Had a bit of time before my connecting flight in Atlanta airport. Two 20oz Guinness (mediocre at best) and a satisfactory Tuna Caesar Salad. $36.11 15% customary gratuity is puzzling… FacebookTwitterPinterestSponsored Link Related posts: Combien? The Paddy Premium How Much? How Much?