I hear many people saying that they would just hope the would-be intruder would just think it too difficult to get in, and decide to go away. That is nice that you would rather not shoot an intruder, but does his choice not to rape your wife because he's having a hard time getting in mean he will rape somebody else's? I am designing my house with an open entrance hall to the front door, so that I can trap any would-be intruder with a portcullis at the open entrance to the hall, then call 911 while he begs to be let go. Get 'em off the streets! Trap 'em or let 'em gain entry and shoot 'em! Everybody should be allowed to kill a home intruder without fear of arrest.
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The Bell Curve says ignorance is normal.