From the department of It Had To Happen: Stewart08.com.
Sign the online petition here.

I have no idea who the site owner is. But let's face it, there's no way Stewart could be worse than GWBush, and literally thousands of ways he would be better.
Perhaps our lovely and talented host Arianna will organize another Shadow Convention, like she did in 2000.
Update: I also found this on the web: http://jonstewartforpresident.com/.
Steve regularly blogs at SteveAudio.blogspot.com
Follow Steve Anderson on Twitter: www.twitter.com/SteveAudio