Anatomy of an iconic photograph

Chicago Tribune: Chicago news, sports, weather, entertainment – Chicago Tribune

via Chicago Tribune: http://www.chicagotribune.com/videogallery/70064061/Community/Anatomy-of-an-iconic-photograph#pl-70054208

James Janega interviews the Tribune’s Brian Cassella, who is the photographer behind the photo of a Chicago police officer punching a protester during the NATO summit.