At Capclave 2013 Howard Waldrop, George R. R. Martin, and Gardner Dozois spent two hours talking among themselves on a panel.

According to Howard this is the first time all three have done this, although various members of the trio have paired off in the past.

Here is the video.

http://youtu.be/nvdsmhQYTyc

[Thanks to Michael J. Walsh for the story.]