In the echo chamber of Hollywood, however, incestuous amplification ... is what they call a movie studio.
This town embraces incestuous amplification! Which leads us to this year's nominations for the Oscars. People, it's groupthink run amok.
—William Booth, "A Quest for Gold," The Washington Post, February 22, 2004
In a nutshell: Like-minded people, talking only with one another, usually end up believing a more extreme version of what they thought before they started to talk.
—Cass R. Sunstein, "The Power of Dissent," Los Angeles Times, September 17, 2003
—David Evans, "A runaway Pentagon," The New York Times, October 3, 1984