Claire McCaskill actually said...

It's crucial that we address these issues head-on.

if you think I'm backing up on going after people who make robocalls, in light of what I encounter every day from people I meet

So, this is not that complicated. All you have to have is the permission of the person you're calling, and call them.

I think it's offensive to think that for some reason the Inspector General community can't handle testimonial subpoena authority.