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Republican Presidential candidates, businessman Donald Trump (R) and Florida Senator Marco Rubio shake hands after the Republican Presidential debate sponsored by Fox Business and the Republican National Committee at the North Charleston Coliseum and Performing Arts Center in Charleston, South Carolina on January 14, 2016.
Republican Presidential candidates, businessman Donald Trump (R) and Florida Senator Marco Rubio shake hands after the Republican Presidential debate sponsored by Fox Business and the Republican National Committee at the North Charleston Coliseum and Performing Arts Center in Charleston, South Carolina on January 14, 2016.

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    Trump goes on the attack, Rubio takes fire

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Trump goes on the attack, Rubio takes fire

While Donald Trump launched a new attack against Sen. Ted Cruz, other GOP candidates took aim at Sen. Marco Rubio. CNN's Sunlen Serfaty reports.

Trump goes on the attack, Rubio takes fire

While Donald Trump launched a new attack against Sen. Ted Cruz, other GOP candidates took aim at Sen. Marco Rubio. CNN's Sunlen Serfaty reports.