That appeared the most likely scenario early on, but Gavin has since been "groomed" as a possibility. He conveniently has sterling leftist connections and credentials although, of course, Hillary would seem to have more money and files for the exercise.
The decision point might be which of the two of them would most likely be accepted tomorrow as VP by the Rinos.
I guess it all depends on how much those 900 FBI files are still paying dividends...
Many of these deep-staters have been in office for 3 or 4 decades now, and I am sure many stay in office because she can control them