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    Rubio, Cruz seek post-debate bounce

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Rubio, Cruz seek post-debate bounce

Recent polls show Marco Rubio and Ted Cruz gaining momentum and running third and fourth among Republican voters. CNN's Sunlen Serfaty reports.

Rubio, Cruz seek post-debate bounce

Recent polls show Marco Rubio and Ted Cruz gaining momentum and running third and fourth among Republican voters. CNN's Sunlen Serfaty reports.