For months now, Senate Democrats have wanted a scalp in the Judiciary Committee memos investigation. If Republicans can be pressured into firing one of their own for leaking the documents, Democrats — the aggressors in the fight over the president's judicial nominees — will be able to portray themselves as victims. You remember the memos. They were from Democratic staffers to Senators Richard Durbin and Edward Kennedy, and they discussed Democratic strategies for blocking the president's judicial nominees. When they were leaked to the Wall Street Journal editorial page last November, the memos revealed just how closely Senate Democrats worked...