[David O. McKay] "I told Brother [Ezra Taft Benson] Benson that I think it would be best for him not to speak at strictly John Birch Society meetings, but approved of his filling speaking appointments already accepted which were not associated with this group."
[David O. McKay diary as referenced in Gregory A. Prince and Wm. Robert Write, David O. McKay and the Rise of Modern Mormonism. Salt Lake City: University of Utah Press (2005)]