We've checked statements from Rudy Giuliani, Joe Lieberman and George Will.
The ever quotable Rudy Giuliani gave PolitiFact lots of things to check this election season. Here's a look back at highlights from the Giuliani file. We mark John Edwards' departure as well.
We find some exaggerations and mistakes at the Republican debate in Boca Raton.
In a TV ad aimed at voters in Florida, Rudy Giuliani makes claims about cutting taxes, welfare reform and a national insurance fund. We find he's mostly right on two, but wrong on the other.
A breakdown of the immigration issue, including candidate-by-candidate positions.
Rudy Giuliani makes a case that the United States lags behind foreign nations when it comes to energy infrastructure. But he overstates the foreign energy juggernaut and ignores enormous energy investments at home.
We find some truth, some exaggerations and a Pants-on-Fire falsehood at the dual debates in New Hampshire.
The former Arkansas governor says he had the "most impressive" education record among the GOP pack. But open-ended superlatives are tough to prove, especially when you've got critics.
They want to be commander in chief, but most of the presidential candidates have not served in the military. Our survey of their resumes finds that five of the 15 candidates have military experience.
Presidential candidates often make historical references to emphasize points or justify positions. A lot of the time, though, they get their facts wrong -- to the dismay of historians.
Our Top 10 Truth-O-Meter rulings cover the Pledge of Allegiance, military shrinkage and crime linkage. We also examine whether God has a position on the Iowa caucuses.
In the final Republican debate, Rudy Giuliani used some creative new math to exaggerate his record on adoptions, while Fred Thompson was on target about taxes.
Mitt Romney's record as governor of Massachusetts and as a candidate for office put him in a vulnerable position as rival Republicans attack his past.
Rudy Giuliani joined the Iraq Study Group but then never made it to a meeting.
We surveyed the 16 candidates to find out which ones have visited Iraq since the start of the war in March 2003. As of December 2007, nine have. Here are our findings along with a brief synopsis of each candidate's position on the war, taken from their Web sites.
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.
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.
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.