Complex sentence: The controlling precedent in the United States was set in 1964 by the United States Supreme Court in "New York Times Co. v. Sullivan", which is considered a key decision in supporting the First Amendment and freedom of the press.
Split into simpler sentences: The controlling precedent in the United States was set in 1964 by the United States Supreme Court in "New York Times Co. v. Sullivan". It is considered a key decision in supporting the First Amendment and freedom of the press.