Yesterday, Senator Fred Thompson issued a statement on the Supreme Court's decision to grant certiorari in the District of Columbia gun ban case. It reads, in part: I’ve always understood the Second Amendment to mean what it says – it guarantees a citizen the right to “keep and bear” firearms, and that’s why I’ve been supportive of the National Rifle Association’s efforts to have the DC law overturned. In general, lawful gun ownership is a pretty simple matter. The Founders established gun-owner rights so that citizens would possess and be able to exercise the universal right of self-defense. Guns enable...