Nikki Haley to Announce Tim Scott as Jim DeMint Senate Replacement

South Carolina will have a new junior senator

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Republican Gov. Nikki Haley of South Carolina will announce Monday that she's appointing GOP Rep. Tim Scott as Sen. Jim DeMint's successor, according to Republican sources in South Carolina and Washington.

The announcement will come at noon ET at South Carolina's state house in Columbia. Scott will become the Senate's only African-American member and the GOP's second African-American senator since Reconstruction.