Bush Aides Testify in Leak Probe (washingtonpost.com): "The logs indicate that several White House officials talked to columnist Robert D. Novak shortly before July 14, when he published a column quoting 'two senior administration officials' saying that Plame, 'an agency operative on weapons of mass destruction,' had suggested her husband for a mission to Niger to investigate whether Iraq tried to acquire uranium there as part of an effort to develop nuclear weapons.
White House witnesses have been asked about cell phone calls and have been shown handwritten, diary-style notes from colleagues, as well as e-mails from reporters to administration officials. In at least a few cases, the FBI questioning was portrayed as very aggressive, with agents homing in on specific conversations with journalists. 'Even witnesses that they describe as being potentially helpful are being treated as adversaries,' a source close to the investigation said. "