NO-NO: Don't read while the host is speaking to you.
YES-YES: Be prepared.
NO-NO: Don't pitch a talent you clearly don't have if you've been invited to the show to talk about running for the office of mayor.
YES-YES: Stay on subject.
NO-NO: Don't insult the host after she has given you ample time to showcase your non-talent.
YES-YES: Be courteous.
NO-NO: Don't be pushy about a return invite ON camera. If you want to be a jerk, do it off camera.
YES-YES: Be grateful for the opportunity on and off camera.
NO-NO: Don't EVER use a hand held tape recorder to play background music tracks.
YES-YES: Be professional.