With those stakes high in South Carolina, the political ads are getting more pointed.
As NPR's Brian Naylor reports, the candidates themselves are taking aim less at each other and more at the White House.
BRIAN NAYLOR, BYLINE: The day before the South Carolina primary, the remaining Republican candidates are making their final TV pitches to voters. Here's part of what the Mitt Romney campaign bills as its closing argument.
As Mara just mentioned, the debate last night opened with a question about a claim made by Gingrich's ex-wife. Well, Marianne Gingrich gave her exclusive interview to ABC's "Nightline," putting the candidate's personal life in the spotlight once again. NPR's Tamara Keith has more.
TAMARA KEITH, BYLINE: The interview was incredibly hyped, in part because Marianne Gingrich has been silent so far on her ex-husband's presidential candidacy. This was her first television interview since their 1999 divorce.
Saturday is South Carolina's Republican presidential primary. It's also the second anniversary of the Supreme Court's famous Citizens United decision.
That's the case that allows corporations to explicitly support or attack specific candidates. The day will be marked with attack ads — and protests.
The Republican presidential race has covered just three states so far. And superPACs linked to candidates Mitt Romney, Newt Gingrich, Rick Santorum and Ron Paul have spent a total of $20 million. They're feeding voters a heavy diet of negativity.
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You may have thought Iowa was done counting its votes a few weeks ago. Well, then came the news this week that based on further review, Rick Santorum actually won more certified votes than the declared winner, Mitt Romney. The problem is the tallies from some precincts remain lost. And yesterday, Iowa's GOP chairman called the overall results inconclusive.
NPR's business news starts with IKEA's success building.
The largest furniture maker in the world is ending the week with a bang. Sweden's IKEA posted, today, a record profit for its 2010, 2011 fiscal year. Net profit was up more than 10 percent to $3.8 billion. The company saw its biggest gains in China, in Russia and in Poland. Transcript provided by NPR, Copyright NPR.