Video: GOP candidates clash over Homeland security and immigration in Las Vegas

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 Ray
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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 Ray

Rubio becomes new target in Republican debate

December 15, 2015 11:06 PM