Abstract
This article examines the use of visual representation in Colin Powell’s speech to the United Nations on 5 February 2003. The article borrows from Charles Goodwin’s theory of professional vision to argue that Powell’s presentation failed to develop a shared vision of the material presented. The primary flaw in this regard was Powell’s failure to acknowledge and account for the differences between modes of visual representation. Projections of text, photographs, video, maps and computer-generated illustrations were presented as synonymous forms of visual evidence. By not accounting for the unique properties of these media, Powell failed to articulate the images as evidentiary statements. What was to be a convincing display of visual evidence was instead a weak and discontinuous PowerPoint slide show. Using Powell’s presentation as a case-study, the author stresses the need to be more critically aware of one’s representational choices in acts of communication.
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