As the attacks increase, we're checking lots of claims and adding new items to our Attack File. You'll find them in the lower left of this page.
Update: Fred Thompson has a mixed record on tort reform. He's opposed some bills because of his preference for states' rights, but supported others.
To read the Clinton-Gold Star Mothers e-mail, click here.
A Special Report: Chain e-mails spread rumors about candidates at warp speed. But they often distort the truth, as we found with one that falsely claims Hillary Clinton refused to meet with the Gold Star Mothers.
Our special report on chain e-mails was suggested by several readers who had received the Clinton and Obama e-mails. If you have a suggestion for facts we should check, click here to email us.
The Republican candidates mixed it up during a lively debate in Orlando. They stretched the truth on crime and defense, while Huckabee was Pants-On-Fire wrong about the Founding Fathers.
The Republicans clashed on taxes, the economy and Iraq during a debate in Dearborn, Mich. They fumbled a few facts along the way.
Philadelphia Inquirer columnist Chris Satullo gives us a nice plug in his Sunday column , saying our site is "done with both class and sass. PolitiFact renders serious reporting with a sense of humor that helps even dry issue assessments stick in the voter's mind."
An explanation of our Truth-O-Meter rulings, from True to Pants on Fire
Ron Paul has the most libertarian voting record in the presidential field, but some of his claims about his record go too far.
The Democrats toss around lots of numbers in the Univision debate. They're right about health insurance and the border fence, but miss the mark on NAFTA.
In a New Hampshire debate, the GOP candidates discuss immigration, Iraq and chicken dinners for Guantanamo detainees. Some of their facts aren't quite right.