Interviewer - "Do you know we have a recording of one of your earliest appearances - can you remember the jokes?"
KD: "Well it was 65 yrs ago so probably not. "
IV: reads one - gets nearly to the punch line
KD: interrupts - delivers the line.
IV: "There you are, you can remember!"
KD: "Well yes, but only because I told that one just last week in Torquay"