The Senate is on the verge of approving a new sop to the gun industry that is the latest sad example of what has become of the gun control debate. Many Americans have labored under the mistaken impression that this was a debate about the Constitution and public safety, about the balance between saving lives and assuring law-abiding gun owners and cultural conservatives that the Second Amendment is being protected. In fact, as the legislation before the Senate demonstrates, the Bush administration and its allies in Congress have long been focused simply on making it easier for gun manufacturers and...