Greenberg

Jon Greenberg

PolitiFact Staff Writer

Jon Greenberg is a staff writer with PolitiFact. He was part of the PolitiFact team during the 2012 presidential election and was one of the fact-checkers who launched PunditFact in 2013. Prior to that, he was executive editor at New Hampshire Public Radio and a Washington reporter for National Public Radio. He has twice won awards from the Society of Professional Journalists for investigative reporting.

Email: jgreenberg@politifact.com

The latest Truth-O-Meter items from Jon Greenberg

Pants on Fire!

You can't waste dollars you haven't spent

Daniel Greenfield
Daniel Greenfield

"Obama spent $7 billion to bring electricity to Africa, failed miserably."

— PolitiFact Global News Service

Mostly True

Less worry, but concerns remain

 Bono
Bono

"People think AIDS is done -- it’s not done."  

— PolitiFact Global News Service

Recent stories from Jon Greenberg

Live fact-checking the South Carolina GOP debate

The GOP field moves to South Carolina ahead of the Palmetto State's Feb. 20 primary. Side by side. See how the remaining Republicans perform on PolitiFact's Truth-O-Meter.  The Dems. Looking back at Thursday's Democratic debate.

Launching PolitiFact Global News Service

The new feature on our website will focus on claims about global health and development in partnership with Africa Check. Today, we launch with a pair of fact-checking -- including a Pants on Fire! claim about Zika -- and a story explaining the problems the electrical grid in many African countries.

Launching PolitiFact Global News Service

The new feature on our website will focus on claims about global health and development in partnership with Africa Check. Today, we launch with a pair of fact-checks -- including a Pants on Fire! claim about Zika -- and a story explaining the problems the electrical grid in many African countries.

Old hands, new scene: PolitiFact reports from New Hampshire

Thanks to a Kickstarter grant from our readers, a pair of Washington-based PolitiFact reporters spent five days in New Hampshire in the run-up to the first-in-the-nation primary. Here's what we found.

Fact-checking the New Hampshire Democratic debate

The two remaining Democrats running for president, Hillary Clinton and Bernie Sanders, debated one-on-one ahead of the New Hampshire primary. How'd they do on the Truth-O-Meter? NEW! Old hands, new scene: PolitiFact reports from New Hampshire

PolitiFact's guide to Republican-on-Republican attacks

The Iowa caucuses are over the GOP race and the rivalries will likely intensify. But which attacks are based in fact and which are baseless accusations? 

Live fact-checking from the New Hampshire primaries

PolitiFact reporters are on the ground in New Hampshire to see the candidates and analyze their statements first hand. Follow along here. NEW! PolitiFact's guide to Republican-on-Republican attacks See the Truth-O-Meter scorecards for the GOP presidential hopefuls See the Truth-O-Meter scorecards for the Democratic presidential contenders

Live fact-checking the Iowa Republican presidential debate

Trump or no Trump, the show went on tonight in Iowa. Find out what the candidates said, and how true their claims were.

2015 Lie of the Year: the campaign misstatements of Donald Trump

A presidential candidate with an unprecedented record on the Truth-O-Meter earns our annual award.   • 2015 Readers' Poll results • A look back at previous years winners • NEW! Trump reacts to Lie of the Year   

Fact-checking the Las Vegas GOP debate

The Republican candidates for president squared off for the final time in 2015. We fact-checked them on ISIS, Syrian refugees, the military and immigration.   • Vote now for the 'Lie of the Year' Readers' Choice award