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At Ron Paul's caucus night event in Ankeny, Iowa, most of his supporters were celebrating. Paul finished a strong third in Tuesday night's caucuses.

But one man in the crowd — famed Republican strategist Frank Luntz — was much more concerned with what happens next.

"I think over the next 24 to 48 hours the campaign's gonna get a little bit meaner, a little darker, and a little bit more personal, as the candidates now fight for their life," said Luntz, who spoke with NPR in between television appearances Tuesday night.

It's on to New Hampshire for at least some of the Republican presidential candidates, and The Associated Press reports that Newt Gingrich will take out a full-page ad in the New Hampshire Union Leader Wednesday contrasting himself as a "bold Reagan conservative" against Mitt Romney, who he labels a "timid Massachusetts moderate."

Texas Gov. Rick Perry said he will return to his home state and "assess the results" of Tuesday's Iowa caucuses, after getting just 10 percent of the vote.

"With the voters' decision tonight in Iowa, I decided to return to Texas, assess the results of tonight's caucus, determine whether there is a path forward for myself in this race," Perry said.

He was originally scheduled to campaign in South Carolina on Wednesday, but those plans were put on hold after his distant fifth-place finish.

The Associated Press adds:

The Bowl Championship Series climaxes Tuesday, with a game in New Orleans between Louisiana State and Alabama for the national bragging rights to Dixie.

As there is a joke about the Holy Roman Empire — that it was neither holy, nor Roman, nor an empire — so can the same be said about the Bowl Championship Series.

It's not a bowl; it's a game played in the Superdome.

It's not a championship, just an exhibition, because the teams have been appointed to show up without earning the right to challenge for the title.

Robert Siegel talks about the Iowa caucuses with Andrew Kohut, president of the Pew Research Center; and Matt Continetti, a contributing editor at the Weekly Standard.

Robert Siegel talks with NPR's David Schaper from a Republican caucus site in Des Moines, Iowa.

Robert Siegel talks with Iowa Public Radio's Sarah McCammon from a Democratic caucus site in Des Moines, Iowa.