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Rick Santorum participated in the CNN South Carolina Republican Debate in Charleston on Thursday, January 19, 2012
Rick Santorum participated in the CNN South Carolina Republican Debate in Charleston on Thursday, January 19, 2012

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    South Carolina key to nabbing GOP nod?

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South Carolina key to nabbing GOP nod?

For decades, the winner in South Carolina has gone on to become the nominee. CNN's Jonathan Mann reports.

South Carolina key to nabbing GOP nod?

For decades, the winner in South Carolina has gone on to become the nominee. CNN's Jonathan Mann reports.