Time Travel

Okay, first, listen to this:
http://www.artbell.com/mediafiles/032301timeline.asx

Now, I’m no UFO junkie, far from it.
And I know that that clown is full of crap.

But, let’s put common sense aside for a second.
Have you seen the movie Frequency?
Again, nice idea, but pretty far-fetched.

I was just curious if anyone out there had any valid arguments as to how this could happen.

C’mon, make me a believer, because I have to say that the topic is nothing if not interesting.