Don Gonyea

Presidential candidates Hillary Clinton, Bernie Sanders and Donald Trump all found themselves doing the same thing today — campaigning at the Iowa State Fair.

Democratic presidential candidates played to a full house in Clear Lake, Iowa, on Friday night — in the same ballroom where in 1959 Buddy Holly played his last-ever show. At the historic Surf Ballroom, with a vintage mirror ball dangling from the ceiling, candidates offered up a version of their ...

There are highly scientific polls, with careful attention paid to sample size and demographics.

There are robopolls where computers make the calls and interview those who pick up the phone.

There are those cable TV polls where viewers are asked to "call this number and tell us who you like."

...

For years the fair, which begins Thursday, has provided a platform for presidential candidates vying in the all-important Iowa caucuses. But they haven't always held on to their pork chops.

The other candidates on stage each had their moments, but from an opening test of Trump's party loyalty to a needling closer by ex-Arkansas Gov. Mike Huckabee, eyes were on the poll-leading tycoon.

Fourteen Republican presidential hopefuls made for a crowded GOP field Monday night in Manchester, N.H. Donald Trump declined to attend. It wasn't a debate, but rather two rounds of f...

In the summer of 1975, Teamsters President James Riddle Hoffa — Jimmy Hoffa — was already a legendary figure in both U.S. labor history and in American pop culture.

As a teenager in Detroit, he took to union organizing early on in the grocery business. He was smart and tough. ...

With just one week to go until the first official Republican presidential debate, candidates are vying for support and attention to secure one of the 10 slots on the debate stage.

Donald Trump's rise in the polls is not exactly how the Republican Party establishment hoped the 2016 presidential race would play out. The question is whether they can do anything to contain it.

#NPRreads is a weekly feature on Twitter and on The Two-Way. The premise is simple: Correspondents, editors and producers throughout our newsroom share pieces that have kept them reading. They share tidbits using the #NPRreads hashtag — and on Fridays, we highlight some of the best stories.

This week, ...

Ohio Gov. John Kasich became the 16th Republican candidate to enter the presidential race on Tuesday. He immediately headed to the early primary state of New Hampshire for campaign events.

Ohio Gov. John Kasich plans to join the crowded field of Republican presidential candidates with a speech Tuesday morning in Columbus, Ohio.

After Republican presidential candidate Donald Trump took a jab at Sen. John McCain's status as a war hero, other Republican candidates have united to punch back at Trump.

As he seeks the presidency, Wisconsin Gov. Scott Walker can claim a connection to three different battleground states, but it's in Wisconsin where he got the political bug.

Presidential campaigns filed their first fundraising reports of the 2016 election. NPR examines what the filings reveal about the Republican campaigns.

Wisconsin Gov. Scott Walker will announce his long-expected campaign for president on Monday in Waukesha.

The Republican begins as the favorite in early primary state Iowa, a post he's kept since his rousing speech there in January. He benefits from being the neighboring governor and will look now to carve ...

The shooting at a historically black church in Charleston briefly put a pause on the campaign. But eventually politics crept back in, and both sides, as usual, took different lessons from the tragedy.

Pope Francis made headlines around the world with his encyclical calling for action on climate change. In the U.S., that's put Republican presidential candidates on the defensive.

After announcing his presidential campaign Monday, Jeb Bush headed to the state that could make or break his presidential hopes — New Hampshire.