My duty as a member of the Council of the Twelve is to protect what is most unique about the LDS church, namely the authority of priesthood, testimony regarding the restoration of the gospel, and the divine mission of the Savior. Everything may be sacrificed in order to maintain the integrity of those essential facts. Thus, if Mormon Enigma [a biography of Emma Smith] reveals information that is detrimental to the reputation of Joseph Smith, then it is necessary to try to limit its influence and that of its authors.