It is in the admission of ignorance and the admission of uncertainty that there is a hope for the continuous motion of human beings in some direction that doesn't get confined, permanently blocked, as it has so many times before in various periods in the history of man.
She's leaving when the president has one of the highest approval ratings on record. From here, it can only go down. And when it does, you know who they're going to blame. They're gonna blame Andy Card!