Suppose the Supreme Court accepted petitions for review to determine whether Michigan's, Ohio's, Tennessee's, and Kentucky's bans on same-sex marriage violate constitutional rights of due process and equal protection.

Assume the Court held that marriage is a fundamental right that may be exercised between any two people, regardless of race or gender, effective immediately.

The governor of Alabama gives a press conference, insisting that Alabama is not bound by the Supreme Court's decision as Alabama was not one of the states that was a party to the case.

Advise if Alabama must immediately follow the Court's decision.

Include relevant constitutional authority.