We could then hunt down and kill armed combatants who slipped in over the border, or who were otherwise notorious terrorists, or whatever.
Ron Paul and his running dog lackeys would be among the first to screech "That's not what we mean ~ we want the government to not only be able to stop the military from defending you from terrorists we don't even want you to be able to do that".
We know their type.
Regarding American citizens who engage in warfare against this country or our people, they are dead meat ~
Maybe, but only after they've been given a fair trial. Then you can you take 'em to the nearest tree for a proper hangin'...
The above according to the Constitution - unless you can show me where it says otherwise...
Or do we now have a cabal that decides which laws of this land are to be followed and which are not?