Not exactly what I thought I'd see, given the headline but interesting all the same.
From the NYT's Freakonomics blog:
Our friends at speechwars.com have put together a really fun tool to help you mine their database of the full text of all past State of the Union addresses (as well inaugurals). It’s a fun way of tracking which issues have occupied the minds of our leaders. The brains behind Speech Wars, Ben Reis, just sent me his lightning analysis of last night’s speech: