The fifth Republican debate of 2015 revealed friction between the candidates and highlighted their priorities around issues of protecting America against threats both at home and abroad, including ISIS, the Internet, and immigration. (Cristina Rayas / McClatchy)
The fifth Republican debate of 2015 revealed friction between the candidates and highlighted their priorities around issues of protecting America against threats both at home and abroad, including ISIS, the Internet, and immigration. (Cristina Rayas / McClatchy)

Elections

December 15, 2015 11:06 PM

Rubio becomes new target in Republican debate

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