New Late Show host Stephen Colbert (right) talks with actor George Clooney. Jeffrey R. Staab/AP hide caption

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Craig Ferguson hosts The Late Late Show in 2011. Sonja Flemming/AP hide caption

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Stephen Colbert responded to criticism about a tweet about his show from his TV network Monday, saying he would dismantle the imaginary foundation that created the stir. Comedy Central hide caption

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Gov. Nikki Haley named Rep. Tim Scott (R-S.C.) to replace retiring Sen. Jim DeMint. In this file photo, Scott makes brief remarks after a meeting with Treasury Secretary Timothy Geithner at the U.S. Capitol on June 2, 2011. Chip Somodevilla/Getty Images hide caption

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Comedian Stephen Colbert told his supporters to ask South Carolina Gov. Nikki Haley to name him to replace outgoing Sen. Jim DeMint. Scott Gries/Picturegroup hide caption

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