NewsBusters has performed an invaluable public service -- prompting a course correction from libtalker Ed Schultz after one of the dumbest things he's said in years.

On his radio show Friday, Schultz actually made the ludicrous claim that gun laws in Chicago "don't even exist," thereby providing fodder for him to be justifiably ridiculed. (audio clips after page break)

Schultz, a frequent NewsBusters reader, took the hint yesterday, and to his credit (audio) --

I made a comment on this program the other day that some righties are taking issue with. Well, let's get into this a little bit.  If I'm wrong, then you'll be the first to know on this radio show. ... So we have, as Congress is divided on so many issues, we as a country are divided on what to do about firearms! And I don't purport to you that I have the perfect answer. (pause) And I'm not sure if you do either, but I'm willing to listen.

That he did when his next guest, Chicago alderman Joe Moore, described the city's gun laws to Schultz (audio) --

SCHULTZ: What are the gun laws in Chicago? What can you tell us?