Final answer:
Obscene speech is not protected by the First Amendment and can be regulated by the government. The Supreme Court has established the Miller test to determine whether something is obscene.
Step-by-step explanation:
Obscene speech is not protected by the First Amendment and can be regulated by the government. The Supreme Court has established the Miller test to determine whether something is obscene. According to the Miller test, obscene material appeals to the prurient interest, is patently offensive, and lacks serious literary, artistic, political, or scientific value.