Limbaugh stated that this has happened to him on numerous occasions and you suck it up and be gracious and turn down invites from the people in the future.
Could you imagine the outcry if Bush cancelled because Jackson was there?
I heard Rush talking about this yesterday. The black conservative was Niger Innis. Innis had appeared on Hannity & Colmes the night before and reported that he had learned the President had been blindsided by Cummings who brought Jackson along without anyone's knowledge.