Full pint of Guinness beer on a table in a pub - Kirk Fisher/Shutterstock They gave us the Irish goodbye — not just the art of slipping out of a party unnoticed, but also the cocktail of the same name ...

At the Sheephaven Bay pub in London, tucked just behind Camden High Street, Guinness accounts for more than 50% of draft beer sales. Owner Pat Logue told CNN that this year he’s already sold double ...