In June, 2008, the U.S. Supreme Court issued a landmark ruling on the Second Amendment right to bear arms, D.C. v. Heller. So far, the victory hasn't turned out exactly as the gun rights folks had hoped.
If Scalia and Stevens were competent historians, then it might be worth reading what they write. But they are not. Both offer selective readings of history to support what seem to be pre-determined positions.