One of the most-read articles on this site is a piece I wrote in 1999 about the late Rod Hull, a very funny and brave man I worked with long ago. Most of the article is about an appearance he made with Johnny Carson which I got to observe live from about ten feet away. If you read that article, you might want to see this excerpt from that time he was on with Mr. Carson. If you didn't read that article, you might want to read it and then watch this excerpt from that time he was on with Mr. Carson. And I would suggest you do those things in that order — and either way, take note of how pleased Johnny obviously was with the segment. Johnny knew when his show was as funny as he always wanted it to be…