Republican Candidates And The Big Debate07:56
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February 23, 2012

This article is more than 9 years old.

Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, left, and former Massachusetts Gov. Mitt Romney talk following a Republican presidential debate Wednesday in Mesa, Ariz. (AP)

Rick Santorum found himself in the hot seat last night — sharing frontrunner status with Mitt Romney.

Karl Rove has an op-ed in the Wall Street Journal Thursday saying the GOP's presidential nominee will be picked from the current field of four — even though there have been grumblings that some Republicans want another candidate to swoop in.

Guest:

Karen Tumulty, national correspondent, Washington Post

This segment aired on February 23, 2012.

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Here & Now

Republican Candidates And The Big Debate07:56
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Guest: