November, 2002. The Oval Office. GEORGE W BUSH, the President, sits at his desk.
Enter OLDER GEORGE W BUSH.
YOUNG GEORGE: Am I seeing double? You look more like me than my dad, or even my brother Jeb! And that's saying a lot!
OLD GEORGE: I am you--I'm from the future, the distant year of 2008. A man gave me a time machine, said I could use it to fix my mistakes and make the world a better place. So I came back to here to warn you not to invade Iraq. It'll be a huge mistake.
YOUNG GEORGE: Well, I dunno about that...all my experts have been telling me this should be a slam dunk.
OLD GEORGE: They're wrong! I know, I was there!
YOUNG GEORGE: Seems to me I've heard that kind of negative talk before--you can't focus on the filter, George. You gotta listen to the important stuff, like the things that Karl and Dick tell me. And they're saying that the invasion's gonna go great.
OLD GEORGE: But I'm telling you it'll go bad! Look, I even brought a newspaper! See, we fail miserably!
YOUNG GEORGE: Now, you know I never read the papers. I get all the news I need from my advisors. They do good work.
OLD GEORGE: But it's me! I'm you, and I'm telling you it fails! I was there! I saw it! You have to listen to me, I'm you!
YOUNG GEORGE: I think I'd rather listen to what my heart is telling me over what my future self is telling me.
OLD GEORGE: God, I was an idiot six years ago.
YOUNG GEORGE: Dunno what you're so smug about--which one of us screwed up the war in Iraq?
OLD GEORGE: Oh, that's it. Bring it on!
OLD GEORGE kills YOUNG GEORGE, then promptly vanishes from existence in a poof of temporal logic. Oval Office is vacant except for a dead YOUNG GEORGE.
MAN WITH TIME MACHINE: "Fix mistakes"...check. "Make world a better place"...check.