Every time there's a shooting in the news, right-wing pundits and politicians dust off their talking points to explain why the latest gun tragedy doesn't mean the U.S. should tighten up access to deadly firearms.

Well, guys, I hate to break it to you, but we heard you the first time. And the second time. And the hundreds of times ... We can recite your arguments in our sleep, and they haven't grown better through repetition.