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CBS has announced that Stephen Colbert will be replacing the one and only David Letterman on "The Late Show" in 2015. They signed a 5-year deal. 

In a statement, Colbert said “I’m thrilled and grateful that CBS chose me. Now, if you’ll excuse me, I have to go grind a gap in my front teeth.”

You've seen Colbert many times on Comedy Central, and famously roasting George W. Bush back in 2006...