(I work in a cafe popular with tourists. During one afternoon I see an American man lighting a cigarette. We have a smoking ban in the UK that bans smoking in all public places.)

Me: “Excuse me sir, but I’m afraid you’ll have to smoke that cigarette outside.”

Customer: “Why?”

(I explain the smoking ban to him.)

Customer: “That’s bulls***! That’s a breach of the First Amendment!”

Me: “Sir, I have no idea what that is, though I think it’s something to do with free speech.”

Customer: *shocked* “How can you not know the First Amendment? It’s the law!”

Me: “It’s your law, judging by your accent. We have a completely different set of laws.”

Customer: “England has its own laws?”