I doubt Fitz needs any more information about Matthew Cooper and Karl Rove or concerning Viveca Novak (about whom his lawyer, Robert Luskin already testified) or about the July 11 e-mail between Rove and Hadley. Rove has already been back to the grand jury to explain the Hadley e-mail.

If I as have speculated all along, Karl Rove is singing his heart out to avoid indictment on multiple charges and limit his liability to either a single charge of making a false statement to FBI investigators before the grand jury was convened, or to false statement and perjury charges, I think Rove's appearance before the grand jury today means he's both still trying to avoid an obstruction of justice charge and putting a final nail in someone else's coffin.

Rove has to know he is not getting a complete pass from Fitz. He's trying to work his way down to a no-jail sentence, which will be much harder with an obstruction of justice charge as well as false statements and perjury. As Jason writes,

Should Wednesday's court appearance by Rove provide the grand jury with answers to lingering questions, Rove may not be charged with obstruction of justice, but will likely be indicted for perjury and lying to investigators, sources close to the case said.

Christy at FDL weighs in. Crooks and Liars has MSNBC's news video about the appearance today, with Nora O'Donnell stating how unusual a 5th appearance is.

A fifth appearance is unusual for a subject without a deal, but not for a subject who has agreed to become a key prosecution witness. When Luskin says Rove has no deal with Fitz, I think he's saying there has been no final promises as to the amount of a sentencing reduction Rove will get for his cooperation -- or even an agreeement as to the precise charges that will be brought against him. That doesn't mean that Rove has not agreed to help Fitz in exchange for whatever Fitz decides his reward should be.

Jason reports Rove was told to be available for three hours of testimony today. That sounds to me like Fitz is planning to review the 250 pages of e-mails from Cheney's office with him.

So, is Cheney the final target? I think so, but not in this next round of Indictments. Fitz is still working his way up the ladder. I think he has Stephen Hadley in his pocket now (whom I suspect is Bob Woodward's source)--along with Rove, John Hannah, Ari Fleischer, David Wurmser, Marc Grossman and probably Robert Joseph. He's even got Colin Powell's testimony.

Fitz's goal is to expose the White House scheme to discredit Joseph Wilson's trip to Niger through claims of nepotism, which was accomplished by disclosing to the media Valerie Plame Wilson's employment and her alleged role in suggesting her husband for the trip.

After Rove and Hadley, who's left besides Cheney?

Update: Jane of FDL weighs in here.