As someone not living in the US, my takeaway from this article was that citizens and visitors should all wear bullet-proof vests in public places similar to the

As someone not living in the US, my takeaway from this article was that citizens and visitors should all wear bullet-proof vests in public places similar to the way everyone wears car seat belts for safety. Since one shouldn't over-react and take away the freedom of toting around assault-rifles. Body Armour companies would LOVE this.