Brick artist Nathan Sawaya will be on The Colbert Report tonight. Nathan is best known for his sculptures and mosaics, one of which he built during a taping of The Late Show with David Letterman a while ago. Perhaps Nathan will build something like this tonight:
(By MySpacer Laura M.)
See more Colbert-inspired LEGO creations (including one of my own) at NoFactZone.net.
EDIT: You can view a clip of the show on ComedyCentral.com. Thanks for the link, Bryce!