"IT MAY SOUND UNCIVILIZED, but so be it. When the Bad Guy shows up with a gun, there are just two questions to be asked: where is the nearest Good Guy with a gun, and how long will it take him (or her, as the case may be) to arrive, get a sight picture, and if necessary squeeze the trigger? Everything else is wishful thinking."

From a 30-year police veteran. Read it all.