Gun Control: Thanks to government regulations, the closing of the last U.S. lead smelter and a push for "green" lead-free ammunition, ammo prices will skyrocket. Does the Second Amendment threaten the environment? Having been stymied by court defeats such as the Supreme Court's deciding that the Second Amendment does indeed confer a right to keep and bear arms on individuals throughout the United States, advocates of a gun-free America and a disarmed citizenry are taking a different approach: Go after the ammunition through regulations that stifle domestic production and force the use of more expensive and eco-friendly substitutes. Expanded regulations...