Hidden Scary Discovered in Fun Flash Gimmick

This page is a "tag cloud" composed of words used in presidential speeches. It catalogs all the words used in a given speech and gives weight (bigger typeface) to words used most often. For example, Jimmy Carter has INFLATION featured prominently in speeches he made.
Here's the thing that sends a chill down my spine - next to the presidents names are their terms. GWB's term is listed (2001- ) - no end date! We know the date his term will end! Don't we? Don't we?