About David E. Spiro David E. Spiro is a Partner in Blake, Cassels & Graydon LLP`s Tax Group and a member of The Advocates` Society`s Education Committee. Books by David E. Spiro Ethos, Pathos, and Logos The Best of the Advocates' Society Journal 1982–2004 edited by David Stockwood & David E. Spiro preface by Jeffrey S. Leon