That's an easy one. It is Fahrenheit 9/11.
Spike Lee's short is included in the portmanteau film called 10 Minutes Older: The Trumpet. There are segments by Lee, Jarmusch, Kaige, Herzog, Wenders, Kaurismaki, and (my favorite) by Victor Erice.
Gore would have won Florida if he had gotten roughly 500 extra votes from clowns like me. If he had won Florida, he would have been President of the USA.