Domenico Montanaro

With the Iowa caucuses in the books, the focus of the political world has shifted to the first-in-the-nation-primary state, New Hampshire. New Hampshire voters, with their contrarian reputation, head to the polls Tuesday. Expect the unexpected.

Here are five things to know about how it all works:

1. Voting is ...

Two days after his loss in Iowa, presidential hopeful Donald Trump has intensified his criticism of his closest rival Ted Cruz.

The Democratic presidential candidates will debate one another Thursday night. We got a preview when they both took questions from the audience at a town hall meeting in New Hampshire Wednesday night.

Hillary Clinton got lucky Monday night. Very lucky.

But not for the reasons some are alleging.

Some have attributed her squeaker of a victory over Bernie Sanders in the Iowa Democratic presidential caucuses to an improbable lucky streak of tiebreaking coin tosses.

It's been reported that there were

The race in Iowa between Bernie Sanders and Hillary Clinton is the closest in the history of the Democratic caucuses in Iowa. The close results are raising questions about exactly how candidates' support is calculated.

Iowa and New Hampshire get a lot of attention, but their records in picking presidents, let alone nominees, is spotty (as you can see from the chart above). But that doesn't mean the states don't matter. They have been effective at weeding the field of candidates, and they're about momentum ...

Hillary Clinton and Donald Trump lead narrowly just two days before the Iowa caucuses in the final Des Moines Register/Bloomberg poll, considered the "gold standard" of Iowa polling.

But Clinton's 3-point lead over Vermont Sen. Bernie Sanders is within the margin of error.

Trump leads Texas Sen. Ted Cruz ...

Hillary Clinton and Bernie Sanders' campaigns have agreed in principle to six more Democratic presidential debates following the Iowa caucuses on Feb. 1, though the deal has not been finalized, according to campaign and party officials.

Currently, the Democratic National Committee has only two more sanctioned debates: Feb. 11 in ...

Iowa's process of picking their choice for president is complicated. We try to demystify it in this space.

Here are the basics:

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What is a caucus and how does it work?

The short answer:

It's essentially a neighborhood meeting of sorts — for politically active, like-minded people. ...

People are complicated.

That was certainly true of Vincent A. Cianci, better known as Buddy. He was the enigmatic former mayor of Providence, who died Thursday morning at the age of 74.

Cianci was loved and reviled in a city that, like America, has been rocked by financial troubles and ...

Donald Trump said this week if he went out on Fifth Avenue in New York and shot someone, he probably wouldn't lose any votes.

He chose a pretty big someone — Fox News (whose offices are one block over from Fifth).

Tune in to Thursday night's Republican debate on Fox ...

There's a new poll every day. But what do they really tell us? And can we believe them? NPR explains why voters should approach polls with increasing skepticism this year.

As Iowans prepare to pick their presidential nominees in just over a week, the Des Moines Register announced its presidential endorsements Saturday afternoon. The paper endorsed Rubio and Clinton.

A divorced New York businessman billionaire with a mixed political history and knack for controversy and grabbing the spotlight might run for president. Another one.

Former New York City Mayor Michael Bloomberg is again weighing a possible independent bid for the White House after seeing an opening in a chaotic ...

Sunday night's Democratic debate comes at a crucial moment. The two front-runners — Hillary Clinton and Bernie Sanders — are closer in the polls than ever, and the Iowa caucus is only two weeks away.

Up until now, Clinton has done well in debates; it's a format that suits her. ...

After months of playing nice, Donald Trump and Ted Cruz went after each other. The candidates in the race from the establishment wing were battling it out for the chance to take on the front-runners.

Thursday's main Republican debate airs on Fox Business Network beginning at 9 p.m. EST.

It's the home stretch in the presidential campaign before people actually start voting in less than three weeks — and that raises the stakes for Thursday night's Republican presidential debate in Charleston, S.C. (After ...

The Kentucky county clerk who went to jail over her refusal to issue marriage licenses to same-sex couples will attend President Obama's State of the Union address Tuesday night, a group supporting her announced.

"While the President will be extolling his 'accomplishments' of the last seven years, Kim Davis and ...

With voting in the first presidential nominating contests just weeks away, Bernie Sanders is trying to make a push before the end of the year.

His campaign announced that he has surpassed 2 million donations. The only other person to do that at this point in a presidential campaign was ...

Twice in those bow-tied comedy dinner routines before a crowd of journalists, President Obama lambasted Donald Trump. He joked in 2011 that Trump, who was hot on the trail of Obama's birth certificate, was a conspiracy theorist waiting to reveal the fake moon landing, then roasted him for making the ...