Surviving his own cancer scare doesn't protect Giuliani from drawing fire over disputed statistics.
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Mitt Romney backs the Bush administration's key education accountability reforms, saying that high-stakes testing has worked wonders for his state.
Obama and Clinton argue about Iran, but they agree on most aspects of U.S. policy.
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.
Bill Richardson and other critics overstate the drawbacks of John Edwards' decision to take public financing
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.
A gay Republican group attacks Romney with his own record.
To illustrate his concerns about a fence between the United States and Mexico, Bill Richardson cites problems with the Great Wall of China and the Berlin Wall. But the history of those famous fences is not so clear.
To read the Clinton-Gold Star Mothers e-mail, click
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,
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.
To counter his history in Hollywood and Washington, he tells of growing up in rural Tennessee.
Just below the frontrunners, two Democrats tussle over Iraq.
Edwards bans Washington lobbyist money, but not all lobbyist money.
The candidates from both parties want to distill the SCHIP debate into nuggets that satisfy their base voters.
Sen. John McCain has a history of attacking 'earmarked' spending, but his facts are in the past, too.
A campaign ad is accurate on Clinton's support for reserve troops and 9/11 workers, but inflates her stature on health care.
Courting rural voters, Edwards paints a (too) bleak picture of their schools as he pushes reforms.
The Republicans clashed on taxes, the economy and Iraq during a debate in Dearborn, Mich. They fumbled a few facts along the way.
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."
Mitt Romney has consistently opposed gay marriage, but he changed positions on a constitutional amendment on civil unions.
When catering to the Democratic Party's left-wing base, it's hard to get there first.
An unwavering advocate of the war, he reminds voters he has criticized the White House for its strategies.
Romney's energy goals are ambitious but not practical.
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To stand out in the field of Iraq opponents, the Democratic candidates are angling to be first or best or most opposed.
An explanation of our Truth-O-Meter rulings, from True to Pants on Fire