What is the current state of the law on privilege and deliberative process privilege?

The unique features of the executive privileges at issue in this litigationthe presidential communications privilege and the deliberative process privilegesuggest that there is no other adequate means of relief. The two privileges were explained in Loving v. Department of Defense , 550 F.3d 32 (D.C. Cir. 2008) :

Id. at 3738 (alterations in original). Distinctly, the deliberative process privilege:

[926 F.3d 1204]

Id . at 38.