U.S. Rep. Tim Scott smiles during a news conference announcing him as Jim DeMint's replacement in the U.S. Senate at the South Carolina Statehouse on Monday in Columbia. Rainier Ehrhardt/AP 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

itoggle caption Chip Somodevilla/Getty Images