After Hurricane Katrina, stories surfaced of shots fired on rescue helicopters and murders in the Superdome. Many of the stories turned out to be false. How do rumors get started -- and is there any way to control them?
George Pawlaczyk, reporter for the Belleville News-Democrat, in Illinois
Nick Difonzo, associate professor of psychology at Rochester Institute of Technology
Jeff Stier, associate director for the American Council on Science and Health
Fred Koenig, professor of social psychology at Tulane University