The meat of what happens here is that Issa questions Holder about the wiretaps and Holder essentially blames Bush, justifying their handling of the wiretap applications based on how the Bush administration handled similar applications. But during Issa’s intense questioning of Holder, Democrats Sheila Jackson Lee and Mel Watt ran interference for him, constantly interrupting over Issa’s refusal to allow Holder to use up his time filibustering. Democrat Ranking member Conyers steps into the fray after the questioning to object to Issa’s style of questioning.
Basically the Democrats turned what was legitimate and necessary questioning of Holder into a circus: