Commerical fraud, perjury, treason, libel, slander, and inciting a riot are all examples of speech that is not protected by the 1st Amendment.
>>saying that lying is protected by the First Amendment unless it does real harm.
>
>Commerical fraud, perjury, treason, libel, slander, and inciting a riot are all examples of speech that is not protected by the 1st Amendment.
Treason, as defined by the Constitution, would be hard to do by simply speaking.