s, including attorneys, must be allowed to intervene in litigation to protect claims of privilege and confidentiality. See In re Grand Jury Matter (ABC Coq)), 735 F.2d 1330, 1331 (11th Cir. 1984); Appeal of Hughes, 633 F.2d 282, 286 (3d Cir. 1980) ("The governing rule in these circumstances is that the