In the Guardian, Dan Kennedy wrote:

I think [Scott] McClellan believes what he's saying now, and imagines himself to have arrived at some deep insights into what went wrong in the Bush White House. But deep insight requires deep thought, and there is no evidence to suggest he's any more capable of that today than he was when he was stammering and stumbling through the daily press briefings.

Basically sums up this administration: they may believe real hard, but staunch, die-hard beliefs are in no way substitutes for knowledgeable insights and intelligent, sensible policy. Trusting that the Easter Bunny truly exists is not enough to make it so, or right (after a certain age).