Under the incorporation doctrine, which says that selected provisions of the Bill of Rights (including freedom of speech) are applicable to the states through the Due Process clause of the Fourteenth Amendment, it's not. When has constitutionality ever mattered to democrats? Liberals are thugs with a totalitarian streak a mile wide. Today, they have the power to compel obedience, they hope, and they will not miss this opportunity to stomp on as many honest people as they can.
The incorporation doctrine is a fraud and not to be followed.
Please read post #’s 48, 58, 60, & 61.