How about what Rudy said in 1996 about not being invited to attend the GOP Convention in San Diego.
"If I take three or four days off from city business, I want to do it for a substantive purpose. It didn't seem to me any substantive purpose could be served by going to the Republican convention."
Sounds like sour grapes to me.
With all the good the 1996 convention did us, seems to me he made the right move.
Rudy's excellent speech at the 2004 GOP convention: (scroll down a bit)
http://www.washingtonpost.com/wp-srv/mmedia/politics/083004-15v.htm