491 U.S. 397 109 S.Ct. 2533 105 L.Ed.2d 342 TEXAS, Petitioner v. Gregory Lee JOHNSON. No. 88-155. Argued March 21, 1989. Decided June 21, 1989. Syllabus During the 1984 Republican National Convention in Dallas, Texas, respondent Johnson participated in a political demonstration to protest the policies of the Reagan administration and some Dallas-based corporations. After […]