`:I'm puzzled by this notion of ``fair use`` of a trademark. (That the user is, I think, appending ``™`` and not ``®`` to it makes the notion even odder.) What makes you think I'm an expert on Drake Circus? I know very little indeed about Drake Circus, and don't think I have ever suggested otherwise. It's not a matter of what you claim you know, it's a matter of what evidence you can produce for any claim that you make.     `