WKOW 27: Madison, WI Breaking News, Weather and SportsBusy day in GOP presidential campaign

SOUTH CAROLINA (WKOW)--First, Rick Perry dropped out, then Rick Santorum became the unofficial winner of the Iowa caucuses, then Newt Gingrich defended himself against a claim by his ex-wife.

It was a busy day in the Republican presidential race, culminating with Thursday night's debate in South Carolina.

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