Oh geez, I forgot about that. But it proves my point about no rules. Maybe he should appoint someone anyway. It's better than sitting around writing letters a la Chuck Schumer.
It would be worse than a sternly worded letter... it would be vacuous grandstanding.
He could sense a State Patrol officer to the home? Maybe a letter to the legislature demanding a special election.
Honestly, there's nothing he can do, so it's best to draw attention to the mess