The Philly debate was a relatively tame affair, but it brought a new controversy into the campaign: Obama's ties to a former member of the Weather Underground. We check the facts.
In defending his wife's mistakes about sniper fire in Bosnia, Bill Clinton makes a few of his own.
We find Obama is right about how much households pay for the war.
A chain e-mail uses apples-to-oranges comparisons to assert that Obama is a more active senator than Clinton.
We compare the legislative accomplishments of the Democratic candidates.
In eight years as first lady, Sen. Clinton visited 82 countries. We catalog each trip on an interactive map.
Former President Bill Clinton claims Sen. Barack Obama "said one thing and did another" by accepting lobbyist money.
It's all over the news that Sen. Barack Obama claims Sen. John McCain will let the war in Iraq go on for 100 years. Obama is taking liberties with what McCain said, as we told you weeks ago.
Video footage shows meet-and-greet but no snipers on First Lady's 1996 Bosnia trip
A chain e-mail on taxes makes a lot of points, not all of them right.
The Pennsylvania primary is six weeks away, but the charges have been flying fast and furiously. We check the facts on some claims.
Clinton says she's skilled at foreign affairs because of her work as first lady on Northern Ireland, China and Kosovo. We check the facts to see what she did.
We examine Barack Obama's resume and find 20 years of public service work.
Sen. John McCain and Sen. Barack Obama are engaged in a battle on the validity of a March 2007 agreement to accept public financing — and its $84.1-million limit — for the general election.
In November, the Republican National Committee oversimplified the cost of Sen. Hillary Clinton's policy proposals. Now, the RNC does a similarly overstated assessment of Sen. Barack Obama's plans.
In the Cleveland showdown between the Democrats, Obama and Clinton get fast and loose with the facts. We find Clinton is right about Obama's committee work but is wrong that he wants to bomb Pakistan.
Sen. Hillary Clinton has promoted her plan to address the foreclosure crisis with various freezes, but she sometimes leaves crucial details out of her public comments. Sen. Barack Obama, meanwhile, takes aim at the inflated rhetoric and misses.
Barack Obama charges Hillary Clinton with flip-flopping on NAFTA. He repeats a false detail, while getting the big picture right.
The top Democrats offer competing visions of leadership, but their voting records are nearly identical.
The Democratic debate in Austin was a polite affair. But we found plenty of facts to check.