abstract:Original Oratory (often shortened to "OO") is a competitive event in the National Forensic League, National Catholic Forensic League, and other high school forensic competitions in which competitors deliver an original speech on a subject of their choosing, though the speech must be factual. Though the rules for the category change from organization to organization, generally, an Oratory must be written and memorized by the performer and should be no more than ten minutes in length.