Where does the federal government get its Constitutional authority to enact laws such as the National Firearms Act, which has been codified to Chapter 44 of Title 18 of the United States Code? Upon whom are such laws operative, and where? Since a careful reading of the Constitution reveals that the federal government has no specifically delegated authority to regulate firearms, from where does the federal government's authority to regulate firearms come? One would think with the high number of Americans supporting the right to keep and bear arms, this question is one that would be of some concern. We've...