He was talking about gay marriage for awhile, and they even made a video making fun of the anti gay marriage groups video, was so funny!
Ooh, I tivo those and watch 'em in the morning with breakfast. I'm looking forward to watching that one tomorrow.
Here's the video - http://www.colbertnation.com/the-colbert-report-videos/224789/april-16-2009/the-colbert-coalition-s-anti-gay-marriage-ad