Glenzilla, with typical elegant acuity and with help from a link to an excellent post by Billmon, explains why Bush and his cabal of crooks like this one aren't heading to jail any time soon.
The mantra of "looking forward" and "let's not dwell on the past" has particular personal resonance for me. It seems to be a common refrain issued by people who have acted badly and don't want to be held accountable.
UPDATE: Hilzoy has some succinct clarification for anyone who needs it. Also, everyone should read this and then remember that "Joe The Plumber" thinks all war reporting should be left to the Pentagon.