Don Gonyea

With a third place finish in Iowa, Florida Sen. Marco Rubio is looking to coalesce mainstream Republican support in New Hampshire. But his rivals in that lane of the GOP race are doing a lot to stop him.

Donald Trump didn't fulfill his late polling promise — finishing second to Ted Cruz in the GOP race. And Hillary Clinton barely squeezed past Bernie Sanders to claim victory on the Democratic side.

Monday night's caucuses draw big crowds as Hillary Clinton and Bernie Sanders face off for the Democratic nomination and Donald Trump tries to hold off his Republican challengers.

In Iowa, David Greene talks to Ann Selzer of the Des Moines Register and David Yepsen, former chief political correspondent at the Des Moines Register, now at Southern Illinois University.

David Greene talks to NPR's Cokie Roberts and David Yepsen, formerly of the Des Moines Register and now director of the Paul Simon Public Policy Institute at Southern Illinois University Carbondale.

NPR checks in with Iowa voters ahead of their state's caucuses, the first nominating contest of the presidential election, on Monday.

Trump took the stage 15 minutes after the debate began — clearly looking to steal the audience away from Fox News. Trump says the event raised millions for veterans.

The Republican presidential candidates meet in Des Moines, Iowa, Thursday night for their final debate before the Iowa caucuses. Donald Trump will not be there, amid a feud with debate host Fox News.

In Iowa, NPR's Don Gonyea has the latest on the Republicans running for president and the rising tension between Donald Trump and Ted Cruz.

When Sarah Palin endorsed Donald Trump for president this week, it was a surprise move, but one that seemed perfectly logical.

In fact, Donald Trump's rise can be seen as a natural extension of the kind of politics that Palin herself embraced after her unsuccessful run for vice president — ...

A day after endorsing Donald Trump for president, former Alaska governor and Republican vice presidential nominee Sarah Palin campaigned with Trump in Oklahoma.

Republican presidential candidate Donald Trump received the endorsement of former Alaska Governor Sarah Palin in Iowa on Tuesday. The 2008 GOP vice presidential nominee is a Tea Party favorite.

Sarah Palin endorsed Republican presidential candidate Donald Trump at a rally in Ames, Iowa, on Tuesday night. Trump is holding onto his lead in Iowa where the caucuses are less than two weeks away.

Sarah Palin endorsed Republican front-runner Donald Trump on Tuesday. Trump is in a tight race with Ted Cruz in Iowa with the caucuses less than two weeks away.

Former GOP presidential hopeful Linsdey Graham has announced his endorsement of Jeb Bush for president.

Graham's presidential campaign went nowhere, but as a senator from the early voting state of South Carolina he hopes to still have some clout.

Graham praised Bush's temperament Friday morning, following Thursday night's GOP debate. ...

Seven GOP candidates will be on stage for Thursday night's debate, the fewest of the campaign. With just a couple of weeks until the Iowa caucuses, attacks among candidates are getting sharper.

With less than a month to go until the Iowa caucuses, TV watchers in the state are seeing a lot of campaign ads. The messages in those ads reveal the dynamics of the race there among Republicans.

Candidates have split time in a handful of early states. So what does where they've been tell us about where they're going?