Maha of the Mahablog nails it:
There possibly is no clearer measure of the difference between the U.S. Right and Left than the way we react to bad news. Righties immediately scream that the whatever-they-don’t-like is a lie, because it doesn’t fit what they think reality is supposed to be. And they blame somebody else, usually news media, or Democrats, or anybody but them. The whatever-it-is is never their fault.
Lefties accept the reality, sometimes perceiving the reality as even worse than it is. Then we blame ourselves (or at least each other), and form circular firing squads.
Nothing more to say. Go read the whole thing.