Plain-English Explanation
Freedom of speech protects the right to express ideas and opinions without government censorship or punishment. It covers spoken, written, and symbolic expression, though some categories (such as true threats and incitement) receive limited protection.
Relevant Provision
U.S. Const. amend. I.
Relevant Decisions
Brandenburg v. Ohio
395 U.S. 444 (1969)
Held that government cannot punish advocacy of force or law violation unless it is directed to inciting or producing imminent lawless action and is likely to do so.