Cruz plays defense in final debate before Iowa

Aired: 1/29/2016 | 0:03:32 | Clip
With Donald Trump abstaining from last night’s GOP debate, other Republican candidates had a chance to take center stage -- and often found themselves in the line of fire. Gov. Chris Christie trumpeted his opposition to Planned Parenthood, while Sen. Ted Cruz and Sen. Marco Rubio faced attacks on their past support of immigration reform. Political director Lisa Desjardins reports.

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