Remember Joseph Wilson? Valerie Plame? Probably not. They had a moment of fierce media notoriety a few months ago. The full story has never been told, but they're not in the news anymore. The Washington press corps apparently decided that respecting one journalist's dubious secrecy pledge outweighed any professional duty to get to the bottom of a nasty, and potentially explosive, instance of deceit and reprisal. Wilson was the retired career diplomat sent by our government to West Africa last year to look into reports that Saddam Hussein's Iraq had been trying to buy uranium for weapons. Wilson reported that...