'No credible threat'
I wish reporters and officials would put less emphasis on this theme; it leads to a public misunderstanding of al-Qaeda's methods. We should instead be thinking in terms of
total surprise, with no warnings or claims of responsibility.
Also, I wish reporters would quit asking "Does this appear to have been ordered by bin Laden?" Completely irrelevant. We know that Osama is not the four-star general at the top of a rigid hierarchy. Al-Qaeda has layers of organization, but basically it's an armed idea, not an army.