“But there have been no similar revelations this year, suggesting that Sessions intends to stay in his position absent an outright firing.”
He’s the Ringer for the Deep State.
His job is to be a buffer between Trump and Rosenstein.
I’m not sure he would leave even if Trump fired him publicly.
There is a very simple way out. Resign Sessions. You suck and you’ve been ineffective. Tell the American people that you’ve lost the confidence of the President and don’t feel that you can continue in your job.