But Republican opponents said the restrictions proposed would violate candidates' and interest groups' right to free speech.
Does this violate the students' rights to free speech?
The court decided that the university had violated the professor's right to free speech, and awarded him $100,000.
They said the tax violated their right to free speech.
A group of law schools argued that the statute violated their rights to free speech and association.
The state's highest court is to rule this year whether that ruling violated the right to free speech.
"It's still pretty much a complete ban and violates the right to commercial free speech."
But critics say the measure would violate the constitutional right to free speech.
The Mayor lacked a sense of humor, they said, and his action violated their right to free speech.
All three men have sued, saying the city violated their rights to free speech.