Domenico Montanaro

The delegate races on both sides are tight. For Republicans, their crowded field is splitting up the votes. For Democrats, the calendar could favor Bernie Sanders over the next several weeks.

Sanders has won some of his biggest margins with white men, while Hillary Clinton has won big with African Americans. They might tell you where they can most win in the primaries coming up.

A Donald Trump campaign rally at the University of Illinois in Chicago was postponed Friday night after protesters clashed inside and outside the event.

The primaries and caucuses in big, important states hold more than 1,000 delegates and could essentially determine the nominees of both parties.

Sanders won Michigan's primary in a stunning upset to Clinton. Sanders exposed Clinton's weaknesses among working class voters on trade issues and delivered on his promise to win with black voters.

Exit polls suggest Donald Trump's early lead may hold up, and that Rubio's in for a disappointing night, says NPR's Ron Elving.

Donald Trump and Hillary Clinton currently lead the delegate counts for the presidential nomination. But because of the difference in how both parties award their delegates, Clinton's is the more commanding lead.

---

Michigan is an important test for Sanders

Tuesday's Democratic contest in Michigan, the biggest prize of ...

On the surface, Saturday's election results appeared divided. After all, on the GOP side Ted Cruz and Donald Trump each won two contests, while among Democrats it was Bernie Sanders who won two of the night's contests as Hillary Clinton netted one victory.

But in the march toward the nomination, ...

Many GOP leaders insist Donald Trump would not be the party's nominee for president. On Thursday, former GOP presidential nominee Mitt Romney warned of dire consequences if Trump were elected.

There's a first time for everything. That's certainly held true in this campaign dominated by Donald Trump.

And Republicans opposed to Trump are beginning to abandon the idea that Marco Rubio (or anyone else) can win a majority of delegates before the first round of balloting at this summer's GOP ...

Hillary Clinton and Donald Trump look to be on their way to securing the nominations of their respective parties because they won the most delegates on Super Tuesday. NPR explains the...

Hillary Clinton goes into Super Tuesday with a 26-pledged-delegate lead (91-65) over Vermont Sen. Bernie Sanders. She also has a 433-superdelegate lead (453-20).

In crunching some numbers, an NPR analysis finds one very rosy scenario for Sanders in which he comes out with the majority of pledged delegates on Super ...

Front-runners Hillary Clinton and Donald Trump both go into the day in strong positions. Trump just scored a series of wins, and Clinton had a blowout in South Carolina over the weekend.

More than a dozen states vote Tuesday, and almost 1,500 delegates are at stake. It's the biggest day of the 2016 presidential election, and it could be pivotal.

Seven Southern states are voting Tuesday — Alabama, Arkansas, Georgia, Oklahoma, Tennessee, Texas and Virginia. That means on the Democratic side, black ...

South Carolina Democrats go to the polls Saturday to choose between Hillary Clinton and Bernie Sanders in the presidential contest. Meanwhile, Donald Trump gains the endorsement of Chris Christie.

Everyone's talking about "Super Tuesday," what it means and that it's such a big deal in this presidential campaign. But why? Here's a quick explainer. Think of it as a frequently asked questions for Super Tuesday:

What is Super Tuesday? It's when more states vote and more delegates are at ...

The GOP presidential candidates held their last debate Thursday before the Super Tuesday primaries. The subject matter was the same as in earlier debates, and so was the sniping among the candidates.

The five remaining Republican presidential candidates meet for a debate Thursday night in Houston, which is the biggest state to vote next week in the Super Tuesday primaries.

It's never clear what the truth is when a campaign ends, but it gets ugly.

Major fundraisers are among the people who are key in creating a campaign. And when campaigns fold, they talk sometimes — usually in blind quotes.

But one of the funders, who helped raise millions of ...

It wouldn't be South Carolina without stuff like this.

A superPAC supporting Ted Cruz is hitting Donald Trump in South Carolina radio ads and robo calls for his support of the removal of the Confederate battle flag from the State Capitol grounds. Another robo call out Friday night is also ...