In an essay, PolitiFact editor Bill Adair explains why facts are important — and why we nitpick.
At the CNN/YouTube debate, the candidates argued about immigration, crime and Iraq. We found they generally got their facts right, although Huckabee distorted the facts on an education program for immigrants and Romney missed an easy one about the Red Sox.
The Truth-O-Meter will be busy tonight. Check back late tonight or early tomorrow for our full coverage of the CNN/YouTube debate in St. Petersburg.
Each of the candidates running for the Republican nomination for president claims to be a conservative. And each one is -- to a point.
Romney and Giuliani cite different statistics on Massachusetts crime to make their points.
PolitiFact will be taking a break for Thanksgiving, so we can fact-check whether the L-tryptophan in turkey really makes you sleepy. (We think some naps will help our research.) We'll be back with new items on Monday. Happy Thanksgiving!
Rudy Giuliani presided over an economic rebound in New York City, but his claims ignore the nation's economic expansion. And he doesn't mention the less rosy details of his tenure.
Clinton and Richardson are right that Americans are frustrated with long college aid forms, but their numbers don't add up.
Once you accept some assumptions about how they did the math, the RNC does a pretty good job crunching Clinton's numbers.
Rudy Giuliani blames President Clinton for the sad state of the intelligence budget.
Barack Obama says John Edwards is new to populism, but a review of Edwards' political resume shows he has long argued the cause of regular people against economic elites.
Rudy Giuliani and Mitt Romney tussled over "sanctuary cities" for illegal immigrants at the CNN/YouTube debate. But their attacks exaggerate the effects of municipal policies on immigration.
The Democrats slugged it out in a Las Vegas debate. We found several claims were true, but Obama was wrong about the probability of lightning strikes vs. undocumented worker prosecutions and Richardson was way off about the popularity of Vice President Cheney and HMOs.
Fred Thompson says Mike Huckabee raised lots of taxes in Arkansas. Huckabee responds that he cut taxes "almost 100 times." We find Thompson on solid ground but Huckabee stretching the truth.
Rudy Giuliani frequently attacks Hillary Clinton over her views on the free market, but he's blatantly misquoting her.
Sen. Clinton's records as first lady are stuck in an archivist quagmire, but that doesn't mean President Clinton couldn't be helping.
A chain e-mail says Barack Obama is unpatriotic because he "refused" to say the Pledge of Allegiance and did not put his hand over his heart. But it relies on a photo taken during the national anthem, not the pledge.
It's true that Rudy Giuliani sued to end the president's line item veto, it's just not clear how much that means.
To see a chart comparing the government and private-sector experience of the candidates, click
The candidates have been making boasts and attacking each other over who has the most experience. We check their math.
The barbers in the TV ads aren't real, but they're correct that Dodd was the prime sponsor of the Family and Medical Leave Act.
The Delaware senator says he's the one who lowered crime in New York while Rudy Giuliani was mayor.
Candidates pillory the alternative minimum tax, though not always with solutions in hand.