That would at least be a believable excuse for why Holder denied knowledge of the operation way back when. Was the operation still occurring when Congress initially subpoenaed him?

Doesn't add up. It was announced to the public by Donald Burke in January 2011. Holder testified before Congress in May 2011. It wouldn't be an excuse to lie under oath, regardless.

As far as releasing the documents to Congress... simply redact the necessary information.

Why does she try to insist that fast and furious started under Bush when it clearly started after Obama took office?

It ended before he testified before congress the first time. 

I'm not sure about the credibility of the information[Democratic Underground lulz],  but he may have not been permitted to redact any info. 

Because that's not what the people watching Maher's program, or her's for that matter,  want to hear ;)

But remember, Maher, is a "libertarian", not a democrat. So he isn't partisan at all 

Because that's one of the Democrat talking points about this. (Isn't "BUSH DID IT!!!!!111" always a Democrat talking point?)  She is either legitimately confused about the difference between previous Project Gunrunner ops, which were done in conjunction with Mexican authorities, and Fast and Furious, or she is just lying because, as she said, she's a partisan hack.

I especially liked the part where Maher indicated that anyone who actually knows what Fast and Furious is lives in some kind of a bubble. He is doing some serious Orwellian mental gymnastics. "Ignorance is strength", indeed.

Well, they redacted a shit ton of the documents that they did release. As in, a whole page would be redacted except for one or two sentences. But presumably the contempt charge isn't over having done that, but rather over the thousands of documents he won't release at all. And, of course, lying under oath.