You who’ve been reading my columns off and on over the past 30-plus years know that I am enthusiastic about carrying concealed firearms, not only for self-protection but also to possibly help others in trouble.Remember, just because you are carrying a firearm doesn’t mean you have to use it, but the choice is yours, not the bad guy’s. In a previous column I mentioned carrying for more than 60 years and never drawing my weapon. Of course, in those earlier days our world wasn’t insane.Criminals are cowards. They’re all afraid of being caught, and the sane ones are also afraid …