I support the idea of training prior to ownership of a firearm. I also take it farther than you do in supporting RE certification and continuing education of sorts in maintaining ownership of a firearm. It's not a big deal and it's a good idea.
I thought that we put that behind us pages ago. Apparently not.
My NEW point, my NEW argument as it were is this:
Where does it stop?
Let's assume (dangerous, I know, but bear with me) that you and I sat down and hammered out an agreement. Something amenable to both sides of the debate and implemented it.
Two years after full implementation of this program, we have another shooting.
Of course, we'll have to DO SOMETHING.