Clearly democracy isn't going to prevail in the next few years to a point where Iraq runs as a democracy on it's own. Wasn't that our agenda after toppling Saddam?
WMD was goal #1 - they weren't there, maybe ever, maybe destroyed, but that is clearly accomplished.
Removing saddam was goal #2 - done.
Democracy was goal #3. It was accomplished when they held elections.
Goal #4? Is it to stop a war that's been raging over 1000 years? Change the mindset of 50 generations' worth of repetition? Protect people?
I think Goal #4 is to maintain presence (neither winning nor losing) while goal #5 is accomplished.
Goal #5 is removing the oil (we have proof we're doing it, and at unfair prices) and building bases (going well). We just need time. that's what goal #4 is for. Vague, undefinable goals that keep the focus off the oil pilferage and bases.