Actually, not 4th ... 3rd or 2nd, depending on how you look at it.
Northam - Gov
Fairfax - Lt Gov
Herring - Atty General
THEN, it’s a Republican, Kirk Cox, Speaker of the House. My guess: Northam stays. He’ll never be impeached and now there’s ample reason not to continue trying to force a resignation.
Cox doesn’t stand a chance. Just waiting to see if Fairfax gets the Kavanaugh treatment.