and so did Mitt's 30-second ad in Iowa against Newt. I'm not saying Mitt's ad was okay, but this article said if all the lies were removed from Gingrich's anti-Romney film, there wouldn't be much left.
There are a couple of informative links at Politifact concerning the King of Bain video. I think most of us know by now that these political ads are going to be more propaganda than truth. http://www.politifact.com/ Romney is certainly not the good guy he portrays himself to be.