Appellee. Katherine A. Fallow, KNIGHT FIRST AMENDMENT INSTITUTE AT COLUMBIA UNIVERSITY, New York, New York, for Appellee/Cross-Appellant. ON BRIEF: Aaron E. Nathan, BOIES SCHILLER FLEXNER LLP, Washington, D.C., for Appellant/Cross-Appellee. Jameel Jaffer, Carrie DeCell, KNIGHT FIRST AMENDMENT INSTITUTE AT COLUMBIA UNIVERSITY, New York, New York, for Appellee/Cross-Appellant. Vishal Agraharkar, AMERICAN CIVIL LIBERTIES UNION FOUNDATION OF VIRGINIA, Richmond, Virginia; Esha Bhandari, Vera Eidelman, AMERICAN CIVIL LIBERTIES UNION FOUNDATION, New York, New York; Susan K. Dunn, ACLU OF SC FOUNDATION, INC., Charleston, South Carolina; Christopher Brook, AMERICAN CIVIL LIBERTIES UNION OF NORTH CAROLINA LEGAL FOUNDATION, Raleigh, North Carolina; Deborah A. Jeon, ACLU FOUNDATION OF MARYLAND, Baltimore, Maryland; Jennifer D. Oliva, ACLU OF WEST VIRGINIA FOUNDATION, Charleston, West Virginia, for Amici American Civil Liberties Union, ACLU of Virginia, ACLU of Maryland, ACLU of North Carolina, ACLU of South Carolina, and ACLU of West Virginia. Joshua A. Geltzer, Douglas Letter, Amy L. Marshak, Mary B. McCord, INSTITUTE FOR CONSTITUTIONAL ADVOCACY AND PROTECTION GEORGETOWN UNIVERSITY LAW CENTER, Washington, D.C.; Kwaku A. Akowuah, Christopher C. Fonzone, Kate Heinzelman, SIDLEY AUSTIN LLP, Washington, D.C., for Amici Curiae First Amendment Legal Scholars. 3