Written five years ago and never truer than today.

Many of George Bush's speeches are seen in 10 second sound bites. That's the part of the speech they want you to hear, and the limit of the average (including those in office.)attention span.
A useful way to get people to 'Look over there" and have it work, when someone in authority is caught red handed.
"We are confident that after an Exhaustive investigation, that we have destroyed all evidence that is admissible in one of our courts of law" That's when being overconfident is dangerous.