Here's the link.
JUSTICE BREYER: You are saying they can have -- no matter what, that the city just can't have guns even if they are saving hundreds of lives, they cannot ban them?
MR. GURA: The city cannot ban guns that are within the common use as protected by the right to arms.
JUSTICE SCALIA: There is a lot of statistical disagreement on whether the Miranda rule saves lives or not, whether it results in the release of dangerous people who have confessed to their crime but the confession can't be used. We don't -- we don't resolve questions like that on the basis of statistics, do we?