Who wants to guess that percentage of Republicans Stewart will win? I'll go with 92%.
Kaine will win >90% of Democrats as well, so I'm not sure what to make of this. Partisans usually support the candidate of the same affiliation as they by such a high rate.
The thing is, you have Konfederate Klown Korey running a joke campaign, and Tim Kaine is a relatively moderate Democrat. Most statewide winners in Virginia campaign as "centrists", and... well, Stewart is certainly failing to do that, pointing to Kaine potentially winning over a fair amount of Republicans. It will likely be enough to knock Stewart's share of the Republican vote to below 90%.
It does not help that Virginia's demographics are becoming more and more hostile to Republicans every year, making it hard for even a "moderate" Republican to win statewide.
Warner is the moderate. Kaine is actually pretty liberal.