The only reason the Valeria Plame affair remains a big story is the small possibility that when U.S. Attorney Patrick Fitzgerald and the federal grand jury take action, any day now, it may reach into the Oval Office. That is, one or more indictments of government officials may lead to hard information that President Bush knew the Niger yellowcake story was pure propaganda, which helped him justify war with Iraq, when he used it in his 2003 State of the Union speech for that purpose. Fitzgerald has been keeping his cards close to his vest, but sources close to the...