Cite as: 542 U. S. 656 (2004) Opinion of the Court further statutes that might qualify as less restrictive alternatives to COPA-a prohibition on misleading domain names, and a statute creating a minors-safe "dot-Kids" domain. Pp. 670-673. 322 F. 3d 240, affirmed and remanded. KENNEDY, J., delivered the opinion of the Court, in which STEVENS, SOUTER, THOMAS, and GINSBURG, JJ., joined. STEVENS, J., filed a concurring opinion, in which GINSBURG, J., joined, post, p. 673. SCALIA, J., filed a dissenting opinion, post, p. 676. BREYER, J., filed a dissenting opinion, in which REHNQUIST, C. J., and O'CONNOR, J., joined, post, p. 676. Solicitor General Olson argued the cause for petitioner. With him on the briefs were Assistant Attorney General Keisler, Deputy Solicitor General Kneedler, Irving L. Gornstein, BarbaraL. Herwig, Charles W Scarborough,and August E. Flentje. Ann E. Beeson argued the cause for respondents. With her on the brief were ChristopherA. Hansen,Steven R. Shapiro, Stefan Presser, Christopher R. Harris, and David L. Sobel.* delivered the opinion of the Court. This case presents a challenge to a statute enacted by Congress to protect minors from exposure to sexually explicit materials on the internet, the Child Online Protection Act JUSTICE KENNEDY *Briefs of amici curiae urging reversal were filed for DuPage County, Illinois, by Richard Hodyl, Jr., and Joseph E. Birkett; for the American Center for Law and Justice et al. by Jay Alan Sekulow, Stuart J Roth, Colby M. May, Joel H. Thornton, John P Tuskey, and Shannon D. Woodruff; for Focus on the Family et al. by William Wagner, Steve Reed, and Pat Trueman; for Morality in Media, Inc., by Paul J. McGeady; for WallBuilders, Inc., by Barry C. Hodge; and for Senator John S. McCain et al. by Carol A. Clancy and Bruce A. Taylor. Briefs of amici curiae urging affirmance were filed for the American Society of Journalists and Authors et al. by Carl A. Solano, Theresa E. Loscalzo, JenniferDuFault James,and Stephen J Shapiro;for the Association of American Publishers, Inc., et al. by R. Bruce Rich, Jonathan Bloom, Jerry Berman, John B. Morris,Jr., and Robert Corn-Revere; and for Volunteer Lawyers for the Arts et al. by Seth M. Galanter, Charles H. Kennedy, Lois K. Perrin,and Elliot M. Mincberg.

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