I was going to use CPR as an example. How many people have been trained in CPR vs. those who have actually used it? That said, the strength of my recommendatio

I was going to use CPR as an example. How many people have been trained in CPR vs. those who have actually used it? That said, the strength of my recommendation is not very strong, but if you're asking, "Why should I take a pistol class?", general safety is a good reason.