Jon Greenberg is a senior correspondent 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.

The latest Truth-O-Meter items from Jon Greenberg

Recent stories from Jon Greenberg

Fact-checking Donald Trump’s new video listing presidential achievements

A new White House video lauds President Donald Trump for accomplishments he’s made during his time in office. We fact-checked some claims that were false, misleading or lacking context.

The Stump Speech Analyzer: Amy Klobuchar

We fact-checked one of Amy Klobuchar’s stump speeches. Here’s what we found.  

The Stump Speech Analyzer: Elizabeth Warren

We fact-checked one of Elizabeth Warren’s stump speeches. Here’s what we found.  

The Stump Speech Analyzer: Joe Biden

We fact-checked a Joe Biden speech in Iowa. Here’s what we found about his statements on Medicare for All, carbon emissions and President Barack Obama’s record.

Iran’s man in Iraq: Soleimani’s deadly fight against the US

The Iranian Quds Force general helped arm and tran Iraqi militias that attacked American soldiers. 

Fact-checking the seventh Democratic presidential debate in Iowa

Bernie Sanders and Elizabeth Warren split sharply at the seventh Democratic presidential primary debate in Des Moines over a CNN story

How Iran and the United States came to the brink

Tensions between the two nations have ebbed and peaked for decades. The past year and a half made conflict more likely.

Top 10 fact-checks of 2019

Our 10 most clicked-on fact-checks of the year included statements about President Donald Trump, former Vice President Joe Biden and a perennial favorite about pensions for Congress.

Social Security: A critical program with an uncertain future

Over 63 million people count on Social Security. If nothing changes, by 2035, it won't have enough money coming in to pay the benefits it promised.

What’s next after Trump’s impeachment?

The U.S. House of Representatives passed two articles of impeachment on near-party-line votes, making Donald Trump the third impeached president in U.S. history. Here’s what to expect in the weeks ahead.