Video lecture regarding First Amendment rights and protected and unprotected speech. CONCEPTS: First Amendment, freedom of speech, protected speech, unprotected speech, case law, endangerment, harm principle, true threats, fighting words, Schenck v. United States, 'clear and present danger,' 'falsely shouting fire in a crowded theater,' Brandenburg v. Ohio, defamation, libel, slander, Speech and Debate clause, defamation per se, John Peter Zenger, New York Times v. Sullivan, actual malice, wreckless disrgard of the truth, 'Heed Their Rising Voices,' chilling effect, Hustler v. Falwell, SPEECH Act, Comstock Act, Anthony Comstock, Regina v. Hicklin, Hicklin test, Roth v. United States, Prurient Interest test, Marvin Miller, Miller v. California, Three Prong Standard, SLAPS test, Federal Communications Commission (FTC), George Carlin, 'Seven Dirty Words,' Sexual Revolution, Tinker v. Des Moines Community School District, Morse v. Frederick, free speech zone, designated public forum, Engle v. Vitale, commercial speech, Valentine v. Chrestensen, Federal Trade Commission (FTC), Johnson v. Texas, expressive act, United States v. Eichman, Flag Protection Act, Flag Desecration Amendment