As far as weapons go... I personally see nothing wrong with carrying a firearm or other weapon where permissible by law. I personally have had to draw a firearm in self defencse once, and have had several friends do the same. 
See:
http://www.azleg.gov/FormatDocument....13&DocType=ARS
http://www.azleg.gov/FormatDocument....13&DocType=ARS
http://www.azleg.gov/FormatDocument....13&DocType=ARS
Of course, I live in Phoenix , AZ, less than 3 hours from the mexican border, and there are a lot of guns in this state illegal and legal.
I do think we all need to exercise restraint and judgement with regards to weapons, and words are almost never adequate provocation for drawing a weapon. However, they can be a good indicator that somebody id about do do something really stupid that IS adequate provocation. And never carry a weapon unless you are committed to pulling the trigger.
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