Little-known fact: Stephen Colbert honed his hosting chops with Riverstreet!

Upon hearing today's exciting news that Stephen Colbert will be filling Letterman's shoes on the Late Show starting next year, we realized that we already knew he'd be perfect for the job! After The Daily Show and before The Colbert Report, we asked him to play "himself," emceeing our Comedy Central Laughs 4 Life Telethon! Enjoy one of his more candid moments below, and follow the link for more snarky fun!