The art of debate

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Across
  1. 3. a public speaker, especially one who is eloquent
  2. 5. fluent or persuasive speaking or writing
  3. 6. an appeal to the audiences' sense of reason or logic
  4. 8. to treating all rivals or disputants equally
Down
  1. 1. a quality that evokes pity or sadness
  2. 2. a formal address or discourse delivered to an audience
  3. 4. the art of effective or persuasive speaking or writing
  4. 7. a rhetorical technique that appeals to an audience's ethics