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    Previewing final Republican debate of 2015

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Previewing final Republican debate of 2015

CNN chief political correspondent Dana Bash and conservative radio host Hugh Hewitt, who will both be asking questions at the GOP debate, discuss on "The Lead."

Previewing final Republican debate of 2015

CNN chief political correspondent Dana Bash and conservative radio host Hugh Hewitt, who will both be asking questions at the GOP debate, discuss on "The Lead."