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bush campaign rubio endorsement serfaty lklv harlow nr_00012212
bush campaign rubio endorsement serfaty lklv harlow nr_00012212

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    Big boost for Rubio, setback for Bush

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Big boost for Rubio, setback for Bush

Marco Rubio gets a huge endorsement from top Republican billionaire Paul Singer, while this is seen as a setback for Jeb Bush's campaign. CNN's Sunlen Serfaty reports.

Big boost for Rubio, setback for Bush

Marco Rubio gets a huge endorsement from top Republican billionaire Paul Singer, while this is seen as a setback for Jeb Bush's campaign. CNN's Sunlen Serfaty reports.