Local newspapers, including The Washington Post and The Baltimore Sun, filed a lawsuit challenging the constitutionality of a new Maryland law intended to make political advertising more transparent and prevent foreign meddling in U.S. elections.

News outlets argue that the law violates the First Amendment and creates undue burdens on the sites that publish those ads.

Does requiring media to publish information about political ad purchasers infringe on First Amendment rights? We’ll hear from the law’s sponsor and the leading expert on all things free speech.