Big media was clearly on the defensive in 2005. Dan Rather left the CBS News anchor desk under a heavy cloud while other executives were fired in the wake of Memogate. The use of anonymous sources put journalists like Judith Miller and the NY Times in an uncomfortable spotlight. Newsweek's erroneous report that US Marines desecrated a Koran touched off a firestorm of deadly protests around the world. CNN news chief Eason Jordan was forced to resign over comments at an international forum. And an Al-Jazeera reporter was even convicted for his links to Al-Qaida. In each controversy, bloggers successfully...