I didn't think I had to because no, she isn't and that's quite obvious..
my reply was only to your statement that there was no such thing. Just because this idiot isn't, doesn't prove your point that there aren't any responsible owner out there.
Yet, she professes to be...
My point is that at any given moment a responsible gun owner can become an irresponsible gun owner.
Therefore, there's no such thing as a responsible gun owner.