There won't be any debates. Too many candidates. Everybody's got to be invited.
Your first sentence may turn out to be accurate, but your last one is not.
I was thinking of a privately funded debate between just those 2 guys to set them apart as the only legitimate Republican candidates. Charge the public a buck or 2 to get in a big arena or convention center and get somebody like Mel Gibson to film it.
Make the tape available to the media and they will show clips and play sound bites. Either candidate could use portions of the tape in their media ads.
Arnold would never agree to this though, unless McClintock gains a lot of ground fast.