'Any person' has right to gun, state says

Montana officials are saying that the United States already has resolved any questions about the 2nd Amendment's application, defining that "any person" has the right to bears arms.
That's the issue at hand in a pending U.S. Supreme Court case originating in the District of Columbia, where authorities have banned handguns under the claim that such a limit is "reasonable" and therefore enforceable even given the rights granted by the 2nd Amendment...