Domenico Montanaro

Sen. Bernie Sanders won narrowly, but can he expand his base? Pete Buttigieg again did well, but in another largely white state. And the story of the night was Sen. Amy Klobuchar's third-place finish.

Polls are closing in New Hampshire, where the first primary of 2020 was held on Tuesday.

Sen. Bernie Sanders of Vermont is the favorite, as progressives seem to be coalescing around him and moderates are split among several candidates.

The pressure was on for the Democratic candidates. Minnesota Sen. Amy Klobuchar stood out, but is it too little too late? Others tried to draw clear distinctions.

Iowa's results still aren't quite settled, but it's clear former South Bend, Ind., Mayor Pete Buttigieg and Vermont Sen. Bernie Sanders finished in what was essentially a tie. What does it all mean?

The Democratic National Committee has requested a recanvass of Iowa caucus results, though it's unclear whether the state Democratic Party will oblige. Meanwhile, presidential hopefuls are moving on.

The Iowa Democratic Party has released results from last night's caucuses showing Pete Buttigieg and Bernie Sanders neck and neck at the top. But more results are still to come.

The delay has stalled the Democratic presidential race — after a year of time, money and effort was expended. It has some real consequences and raises major questions.

Iowans are waking up to a surprise turn in their first-of-the-nation vote: no results. Technical issues and inconsistencies have kept Democratic Party officials from reporting their results.

Minutes away from the start of the Iowa caucuses, NPR's political team is the Midwestern state with the candidates — and also in the studio awaiting results.

The stakes are high in Iowa — the last four Democratic nominees have all won the Hawkeye state. The pressure is on Vermont Sen. Bernie Sanders who has led in the polls coming into the caucuses.

Vermont Sen. Bernie Sanders is the favorite heading into the caucuses, but polls have shown a tightly jumbled race at the top. Here are key questions and answers about Monday night.

A poll of Iowa Democrats will not be released this year ahead of the caucuses after complaints that Pete Buttigieg was left off it. We find out why this poll matters.

The Iowa caucuses are two days away. For the first time this election cycle, voters will get a say in who becomes the Democratic nominee for President.

How much progress has been made on the goals that President Trump laid out in his last State of the Union address?

Iowa has only 1% of the delegates up for grabs for the Democratic nomination, and yet the candidates have spent $50 million there on ads for a reason.

By a 49%-42% margin, Americans disapprove of how President Trump has handled the crisis with Iran, reflecting the number of people who disapprove of the job he's doing overall.

The candidates clashed over war, gender and health care with less than three weeks to go before the first votes in the Democratic presidential nominating fight.

Most Democratic voters say they could change their minds about whom they support. So be prepared for surprises as voting begins in the Democratic nominating contests next month.

The 2020 campaign is about to kick into high gear. Candidates are dropping out and others are announcing fundraising numbers. Meanwhile, voters will start voting in Iowa and New Hampshire in a month.