Re: smoking in public?
Well depends on what country your in, But I've smoked in public plenty of times.
Sometimes at the park during Summertime here in London, Did it last summer during a connection flight in Barcelona I was stuck for 8 hours so opened my suitcase and started smoking outside the airport. Done it in Paris as well as Majorca and Casablanca.
To be honest it's not drugs so the police have no issue with it.