1. Forced speech Collection: Agricultural Communications Documentation Center (ACDC) Format: Commentary Publication Date: 2001-07-02 Published: USA Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C22222 Journal Title: Advertising Age Journal Title Details: 72(27) : 14 Notes: Comments on the U.S. Supreme Court ruling that mushroom growers can opt out of the Mushroom Council's advertising program.