US Lawmakers Eyeing National ID Card
According to Wired (and no big surprise, considering the practicalities of implementing massive changes in medical finance), US lawmakers "are proposing a national identification card, a 'fraud-proof' Social Security card required for lawful employment in the United States. The proposal comes as the Department of Homeland Security is moving toward nationalizing driver licenses."
Hostile intent doesn't mean you have the right to lethal force in any state. It would allow you to attack him certainly, and probably threaten him with a gun, but not to shoot him without further provocation. Which doesn't mean you wouldn't get away with it with a conservative jury and a good lawyer, but the idea of excessive force exists pretty much everywhere.
Sorry, but you are wrong.
The mere act of unlawful entry into a habitation is enough to justify the use of deadly force in self-defense in many states. There is no duty to warn the intruder or use less than lethal force.
Stop pretending you know the law and read up on it. This Wikipedia article provides a good summary and lots of useful links:
Castle Doctrine in the United States