Sen. Thad Cochran and Rep. Charlie Rangel
Sen. Thad Cochran and Rep. Charlie Rangel

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    5 things we learned last night

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5 things we learned last night

CNN's Mark Preston reports on the winners and losers in tonight's hotly contested primary races.

5 things we learned last night

CNN's Mark Preston reports on the winners and losers in tonight's hotly contested primary races.