John Lott was interviewed on C-SPAN and provided a lot of great talking points for us to use in our discussions with acquaintances and our politicians. If nothing else share the video with as many people as possible, but watch it first so you can preface that.
https://www.c-span.org/video/?513485-3/gun-control-myths
https://www.c-span.org/video/?513485-3/gun-control-myths