Video Recap: The CNN South Carolina Debate in 3 Minutes

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Tonight's GOP debate — the last before Saturday's primary vote in South Carolina — came on maybe the biggest news day of the election season so far: It came out that Rick Santorum actually won the Iowa Caucuses, Rick Perry dropped out of the race, and a supposedly scathing interview with Newt Gingrich's ex-wife was set to air just after the match-up. Moderator John King pressed the candidates on each of these issues, plus when they would release their tax returns, who's the most pro-life of the group and the one moment in their campaign they would want to do over. All that and more in our quickie video roundup.