Someone I know relayed a story to me once wherein, at the passport gate into England she, a Canadian citizen, was held up by the passport control agent for not

Someone I know relayed a story to me once wherein, at the passport gate into England she, a Canadian citizen, was held up by the passport control agent for not having a visa document. "Where's your visa?" "I don't need a visa, I'm a Canadian citizen. Your queen is my queen." "So you don't have one?" "Yes, because I don't need one."