Last June, the Supreme Court ruled in District of Columbia v. Heller that the Second Amendment protects an individual’s right to keep and bear arms, at least in the home for self-defense. Here’s our own Bob Levy, who masterminded the Heller litigation, talking about that decision: While the Court’s ruling was a watershed in constitutional interpretation, it technically applied only to D.C., striking down the District’s draconian gun ban but not having a direct effect in the rest of the country.Well, today the Ninth Circuit (the federal appellate court covering most Western states) ruled that the Second Amendment restricts the power of state...