Really: are you stain a Supreme Court ruling leaves an issue beyond challenge.
Tell that to everyone here about Rowe v. Wade. You an explain how efforts to get the court to review Rowe are illegitimate.
And refusal to grant cert is a decision – as firm as any other. Scalia’s decision in Heller made explicit the limits in the 2A and all the court was saying, in essence, is Scalia’s decision stands.