Rep. Issa has now extended his request to the Department of State and has also stated "It will be up to the Attorney General to say whether he knew or not,” Issa said. “Right now, the president’s word about what somebody else knew would not be acceptable."
Source:
http://dailycaller.com/2011/04/05/bo...#ixzz1IkmxgUH9
Looks like they are serious about following up on this. The above article also has some speculation from former EPIC (El Paso Intelligence Center) director Phil Jordan saying that Holder almost certainly knew and likely received briefings on Fast and Furious.