The UO held an international conference on The Promise of Reason to commemorate the 50th anniversary of the influential book The New Rhetoric by Chaim Perelman and Lucie Olbrechts-Tyteca. In this plenary session held on May 18, 2008, Barbara Warnick (University of Pittsburgh) speaks on "Empiricism, Securement, and The New Rhetoric," and Christopher W. Tindale (University of Windsor) speaks on "Ways of Being Reasonable: Perelman and the Philosophers." They are introduced by UO Philosophy Professor John Lysaker.
