v. Bay State Ambulance and Hosp. 12 EFTA00582868 Epstein v. Rothstein and Edwards DRAFT 2/3/12 4:26 PM Case No. 502009CA040800XXXXMB/Div. AG Rental Serv., 874 F.2d 20, 28 (1st Cir. 1989). Only those communications made in the course of an ongoing common enterprise and intended to further the enterpri