  smart guns threaten second amendment  smart guns are weapons that can be turned off and rendered useless by the manufacturer and the federal government proponents say smart guns will prevent unauthorized people from using firearms that belong to someone else but opponents believe they will allow the government to disarm lawabiding citizens what do you think read more  wwwthenewamericancom usnews constitution item 16357improvedrfidtechnologyinsmartgunsthreatenssec 