"Her response; The odds for most people at most places are not high."
A few years ago you could not get me to touch a hand gun.
I hunted with my father, but never used a handgun.
The change is internal. I do not think 'The News' is what changed my views. It was just observing how people have become less civil, more willing to take something than to ask for help. More 'me' centric.
I can't think of one way to convince another person to carry. I know I will not try. If someone asks about it I will inform, but not encourage. It's a slow internal process, lots of 'walls' have to come down, outsiders can't do the demolition.
Ideas are like seeds, they are planted, and if the soil is receptive it will grow.