You've heard about it, here it is.  Narrated by Tom Hanks.

It serves as a nice contrast to the media buys coming out of the GOP race. While Republicans strive to outdo themselves in portraying the current and future apocalypse, this piece projects a calm, quiet assurance that things are getting better. It was almost a relief to watch after all the amped-up noise we’ve been seeing in the Republican primary. If the theme of the current election is sanity versus insanity, the Obama campaign is clearly staking its claim as the defenders of reason.