mportant to create "confidentiality and trust between participants in a mediation proceeding." Epstein's Supplemental Briefing at 17 (citing Folb v. Motion Picture Ind. Pension & Health Plans, 16 F.Supp.2d 1164, 1175 (C.D. Cal. 1998) (emphasis added)). Here, of course, the parties to the plea discussion (Epstein and the Government)