Four Republican candidates
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Republicans battle it out in South Carolina debate

There has been more tension between the Republican politicians vying to challenge Barack Obama in this year's US Presidential elections.

Newt Gingrich, considered to be the main challenger to the front runner, Mitt Romney, has had to fend off potentially damaging claims from his ex-wife.

All this as the four took to the stage in a televised debate in South Carolina, which votes in its primary on Saturday.

Ian Pannell reports.

  • 20 Jan 2012
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