So what IS the difference between a pub and a bar?

Man walks into a pub – or is it a bar? Is there a difference? Can you walk into any outlet for the retail of alcoholic refreshment on the premises and declare immediately, without discussion, disagreement or deviation: “This is a pub, not a bar!” or, conversely and contrariwise, “This is a bar, not a… Read More So what IS the difference between a pub and a bar?