3 In an effort to encourage family time, Maryland passes a law prohibiting the advertisement in the state of movies rated "R." (Note: "R" rated movies indicate that the material may be inappropriate for children under 17.) The law is challenged by a coalition of state newspapers on the basis that it violates the First Amendment of the U.S. Constitution. Set forth the test the court should apply in order to determine whether the law is constitutional and how the court would likely rule