The congressional hearings are largely a dog and pony show, to distract the media and useful idiots. Meanwhile, all the real work is being done elsewhere, out of the spotlight.
That AG Sessions immediately announced his replacement means that Sessions had this queued up and ready to go. Schools didn't resign, he was fired.
U.S. Attorneys » Resources » U.S. Attorneys' Manual » Criminal Resource Manual » CRM 2000 - 2500 » Criminal Resource Manual 2001-2099
-
Synopsis Of Classified Information Procedures Act (CIPA)
Pic related