State, 871 So.2d 729, 731 (Miss. 2004)("a statement made during plea negotiations is privileged and its admission is prohibited by M.R.E. 410(4)"); Shriver v. State, 632 P.2d 420, 426 (Okla. Crim. App. 1980)(describing "majority view" that even absent state statute, "any communication relating to the plea barga