Podcast: FiveThirtyEight's Harry Enten talks about how to tell good polls from bad ones, and how journalists and politicians can talk about them more effectively.

Polling, Explained

Latest Articles and Investigations from ProPublica, an independent, non-profit newsroom that produces investigative journalism in the public interest.

News & Politics

The most influential reporting on the Trump administration has relied on unnamed sources. Here’s the story behind them.

The Breakthrough: How Reporters Really Use Unnamed Sources

Watchlists, informants and social media investigations. What exactly are FBI agents allowed to do?

The Breakthrough: Uncovering the FBI’s Secret Rules

How a team of New York Times reporters chronicled every homicide in a Bronx precinct and what they learned about policing.

The Breakthrough: Reporters Examine Murder Where Cops Struggle to Curb It

Russian journalist and editor Elizaveta Osetinskaya published hard-hitting stories about the Kremlin. And it cost her her job.

The Breakthrough: What American Journalists Can Learn From Reporting Under Putin

Reporters at the Chicago Tribune set out to learn whether pharmacies in Chicago have been warning patients who’ve been prescribed risky combinations of drugs.

Polling, Explained

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