This document presents witness testimony and supplemental materials from a Congressional hearing called to address pornography in cyberspace. It features opening statements by Senator Charles E. Grassley and Senator Patrick J. Leahy; and statements by Senators Strom Thurmond, Russell D. Feingold, Orrin G. Hatch, Chairman of the Senate Committee on the Judiciary, Paul Simon, and Herbert Kohl. Testimony is included from three panels of witnesses. The first includes: Donelle Gruff; Patricia W. Shao; and Susan Tillman Elliott, M.D.; all of whom describe experiences with pornography on the Internet. The second panel includes: Barry F. Crimmins, investigative journalist; William W. Burrington, assistant general counsel and director of governmental affairs, America Online, Inc.; and Stephen Balkam, Recreational Software Advisory Council; who discuss the role of online service providers in restricting online child pornography and a content labeling system for violence, nudity/sex, and language for recreational software and other media. The third panel includes: Dee Jepsen, executive director, Enough is Enough Campaign; Michael S. Hart, executive director, Project Gutenberg, and professor of electronic texts, Illinois Benedictine College; and Jerry Berman, executive director, Center for Democracy and Technology; who discuss the issues of censorship and determining which materials are appropriate or inappropriate for children. (SWC)