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.

The latest Truth-O-Meter items from Jon Greenberg

Recent stories from Jon Greenberg

Is Iowa Obamacare’s canary in the coal mine? Not really.

Iowa’s individual market is teetering. But it’s not necessarily a sign Obamacare is collapsing.  

Donald Trump and Islam: Then and now

In a pivotal speech on his first international trip as president, Donald Trump delivered a message on religious-based terrorism that was strikingly more nuanced than his rhetoric from the campaign trail.

Reports say Trump shared highly classified intel with Russian diplomats: What we know so far

Several major news outlets reported Monday that President Donald Trump shared highly classified information with Russian diplomats in a meeting last week. Here’s what we know about the situation so far, as well as some background to put the current situation in context.

What Donald Trump said about the spread of classified material during the campaign

President Donald Trump defends sharing top secret information during his meeting with top Russian officials. But when he ran for president, Hillary Clinton's use of a private email server for State Department business was a frequent target.

Trump and Democratic views on FBI's Comey at key turning points

Former FBI director James Comey became a political Rorschach test. How he was judged hinged largely on party loyalty. We put Trump's and Democratic takes side by side at key turning points in the past year.

Without Obamacare, what happened to kids like Jimmy Kimmel's son?

Jimmy Kimmel brought the debate over the future of Obamacare into the story of his newborn son's emergency heart surgery. He made some policy points and we looked to see if they were on target.

The facts behind Paul Revere's ride, cited by Donald Trump in NRA speech

Trump evoked the spirit of Paul Revere in a speech to NRA members. His rendition came right up to the line between fact and myth. The historical truth is actually pretty interesting.

Can Donald Trump get rid of national monument protections?

In the ramp up to his 100th day, Trump ordered a review of over 20 national monument designations that protect million of acres of land and seabed. How far he can go to undo the work of previous presidents, Republican and Democratic, takes him into a legal gray zone.

Fact-checking Donald Trump’s 100-days interview with CBS

In a wide-ranging interview on CBS, President Donald Trump sat down with Face the Nation host John Dickerson to discuss his first 100 days in office.

Trump's 100 days: Where he fell short

A couple of weeks before the election, President Trump released a plan for his first 100 days. Then he ran into Congress.