ege Is rooted in the Imperative for confidence and Mist, the evidentiary benefit of the denial of the privilege, and any consensus among the slates, Jaffee I Redmond, 518 U.S. 1, 10-15, 116 S. CI. 1923, 1928-31 (1996)—IM none of these considerations weighs in favor of recognizing a now privilege to prevent discov