I just saw a video. Yes I know they have retired, and the video is not new either but it is from 2007, which is not as long ago as that.

Dick Smothers introduces Tom Smother's solo, in the middle of their live performance. They are said to be in Las Vegas where this video was filmed. After Dick steps to one side,

Tom Smothers sings a tune, authored by Bret Martin, called
Who Do I Have To Hate To Be Your Friend?

Has anyone else seen this video? (I am no good with blue clicky links.)