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Republican presidential candidates John Kasich, Jeb Bush, Marco Rubio, Donald Trump, Ben Carson, Ted Cruz, Carly Fiorina and Rand Paul appear during Republican presidential debate at Milwaukee Theatre, Tuesday, Nov. 10, 2015, in Milwaukee. (AP Photo/Morry Gash)
Republican presidential candidates John Kasich, Jeb Bush, Marco Rubio, Donald Trump, Ben Carson, Ted Cruz, Carly Fiorina and Rand Paul appear during Republican presidential debate at Milwaukee Theatre, Tuesday, Nov. 10, 2015, in Milwaukee. (AP Photo/Morry Gash)

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    Republican contenders go after China

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Republican contenders go after China

One topic remained a popular punching bag in the latest GOP debate: China. CNN's Amara Walker reports.

Republican contenders go after China

One topic remained a popular punching bag in the latest GOP debate: China. CNN's Amara Walker reports.