Attack ad calling Sen. Scott Brown a 'yes' man for GOP makes unfounded claims on his political record

Where President Obama's controversial tour bus actually came from

On his trip to China, Biden quells investors by claiming U.S. owns more of overall debt than it actually does

President Obama makes misinformed statement claiming countries with higher test scores, pay their teachers "on par with doctors"

Obama attack ad based on chemical, oil-funded study with little scientific relevancy

A roundup of false claims on oil imports, federal debt, Social Security and health care from the latest presidential candidate

FACT CHECK: Email campaign distorts White House salaries

FACT CHECK: Michele Bachmann's inaccurate health care history

FACT CHECK: Distortions and misrepresentations as the debt debate rages on

Debt ceiling raised at last possible minute under Presidents Bill Clinton, George W. Bush