A chain e-mail says Clinton sympathized with the Black Panthers and interned for a law firm run by a Communist. The source? An article by Clinton adviser-turned-foe Dick Morris.
Attacks by conservatives became so sharp last week that Sen. John McCain asked for a cease-fire. Here's a look at why they're unhappy and what PolitiFact has said about their complaints.
When he was in the Illinois state senate, Barack Obama sometimes voted to block bills without formally opposing them, which has raised questions of political expedience.
Bill Clinton inaccurately defends his own statements from the campaign trail, while George W. Bush takes a questionable shot at Barack Obama.
In a Virginia speech, Barack Obama said polls show he could beat John McCain by 6 points. We find he's right about the polls, but wrong about gas prices and he misstates what Hillary Clinton's said about a bankruptcy bill.
Clinton has the endorsement of Jack Nicholson. McCain has Sylvester Stallone. Ron Paul is backed by a late-night radio personality named Waldo. We examine the endorsements of each candidate.
Obama's "present" votes on abortion in the Illinois senate become fodder for Clinton attacks.
In the final hours before Super Tuesday, the candidates traded charges on everything from the economy to political pork. We examined their claims and found they were largely correct.
At the heart of a speech promoting his own candidacy, Obama charges that Clinton and McCain are too much alike at a time when Democrats need to present a clear distinction.
We check the facts from the Republican debate and again find John McCain is incorrect when he says Mitt Romney supported a timetable to withdraw from Iraq.
We check out the latest on President Bush's economic stimulus package and where the candidates stand on economic issues.
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.