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Republican presidential candidate Sen. Lindsey Graham is introduced during the CNN presidential debate at The Venetian Las Vegas on December 15, 2015.
Republican presidential candidate Sen. Lindsey Graham is introduced during the CNN presidential debate at The Venetian Las Vegas on December 15, 2015.

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    Sen. Lindsey Graham drops out of GOP race

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Sen. Lindsey Graham drops out of GOP race

Sen. Lindsey Graham announces that he's dropping out of the Republican presidential primary race.

Sen. Lindsey Graham drops out of GOP race

Sen. Lindsey Graham announces that he's dropping out of the Republican presidential primary race.