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Briefs of amici curiae urging reversal were filed for Forty-two States by J. Joseph Curran, Jr., Attorney General of Maryland, and Michael F. Brockmeyer and Craig J. Hornig, Assistant Attorneys General, by Anthony J. Celebrezze, Jr., Attorney General of Ohio, and Gregory E. Young and Matthew C. Lawry, Assistant Attorneys General, by Don Siegelman, Attorney General of Alabama, and James Prude, Assistant Attorney General, by Grace Berg Schaible, Attorney General of Alaska, and Richard D. *719 Monkman, Assistant Attorney General, by Robert K. Corbin, Attorney General of Arizona, and Alison B. Swan, Assistant Attorney General, by John Steven Clark, Attorney General of Arkansas, and Jeffrey A. Bell, Deputy Attorney General, by Duane Woodard, Attorney General of Colorado, Thomas P. McMahon, First Assistant Attorney General, and David S. Harmon and James R. Lewis, Assistant Attorneys General, by Joseph Lieberman, Attorney General of Connecticut, and Robert M. Langer, Assistant Attorney General, by Robert A. Butterworth, Attorney General of Florida, by James T. Jones, Attorney General of Idaho, by Neil F. Hartigan, Attorney General of Illinois, and Robert E. Davy, Jr., Assistant Attorney General, by Linley E. Pearson, Attorney General of Indiana, and Frank A. Baldwin, Deputy Attorney General, by Thomas J. Miller, Attorney General of Iowa, and John R. Perkins, Deputy Attorney General, by Robert T. Stephan, Attorney General of Kansas, and Carl M. Anderson, Assistant Attorney General, by David L. Armstrong, Attorney General of Kentucky, by William J. Guste, Jr., Attorney General of Louisiana, by James M. Shannon, Attorney General of Massachusetts, and Barbara Anthony, Assistant Attorney General, by Frank J. Kelley, Attorney General of Michigan, Louis J. Caruso, Solicitor General, and Frederick H. Hoffecker and Robert C. Ward, Assistant Attorneys General, by Hubert H. Humphrey III, Attorney General of Minnesota, by Edwin L. Pittman, Attorney General of Mississippi, and Robert E. Sanders, Special Assistant Attorney General, by William L. Webster, Attorney General of Missouri, by Mike Greely, Attorney General of Montana, and Joe Roberts, Assistant Attorney General, by Robert M. Spire, Attorney General of Nebraska, and Dale A. Comer, Assistant Attorney General, by Brian McKay, Attorney General of Nevada, and P. Gregory Giordano, Deputy Attorney General, by Stephen E. Merrill, Attorney General of New Hampshire, and Amy L. Ignatius, Senior Assistant Attorney General, by W. Cary Edwards, Attorney General of New Jersey, and Laurel A. Price, Deputy Attorney General, by Robert Abrams, Attorney General of New York, O. Peter Sherwood, Solicitor General, and Lloyd E. Constantine, Assistant Attorney General, by Lacy H. Thornburg, Attorney General of North Carolina, and Richard Carlton, Assistant Attorney General, by Dave Frohnmayer, Attorney General of Oregon, by Leroy S. Zimmerman, Attorney General of Pennsylvania, and Eugene F. Waye, Deputy Attorney General, by James E. O’Neil, Attorney General of Rhode Island, by Roger A. Tellinghuisen, Attorney General of South Dakota, and Jeffrey P. *720 Hallem, Assistant Attorney General, by W. J. Michael Cody, Attorney General of Tennessee, and Perry A. Craft, Deputy Attorney General, by Jim Mattox, Attorney General of Texas, Mary F. Keller, Executive Assistant Attorney General, and J. L. Covington and Aliene D. Evans, Assistant Attorneys General, by David L. Wilkinson, Attorney General of Utah, and Richard M. Hagstrom, Assistant Attorney General, by Jeffrey L. Amestoy, Attorney General of Vermont, and Glenn A. Jarrett, Assistant Attorney General, by Mary Sue Terry, Attorney General of Virginia, and Allen L. Jackson, Assistant Attorney General, by Kenneth O. Eikenberry, Attorney General of Washington, and John R. Ellis, Deputy Attorney General, by Charles G. Brown, Attorney General of West Virginia, C. William Ullrich, First Deputy Attorney General, and Mark D. Kindt, Deputy Attorney General, by Donald J. Hanaway, Attorney General of Wisconsin, and Kevin J. O’Connor, Assistant Attorney General, and by Joseph B. Meyer, Attorney General of Wyoming; for K mart Corporation by Robert W. Steele, Robert E. Hebda, and James C. Tuttle; and for the National Mass Retailing Institute by William D. Coston and Robert J. Verdisco. Briefs of amici curiae urging affimance were filed for the Consumer Electronics Group of the Electronic Industries Association by Gary J. Shapiro; for the National Association of Manufacturers by Jan S. Amundson, Quentin Riegel, and Donald I. Baker; and for the National Office Machine Dealers Association by Samuel Schoenberg.