Five things you need to know about coltan:

Five things you need to know about this black-market mineral

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Colombia’s black-market coltan tied to drug traffickers, paramilitaries

By Ignacio Gómez G.

Illicit mining in hot spot of Colombia’s Amazon tied to paramilitaries, drug traffickers

FACT CHECK: Obama White House ‘full of Wall Street executives’?

By FactCheck.Org

Conservative super PAC runs ad on 'Obama's Wall Street Inner Circle'

FACT CHECK: Santorum’s twisted take on JFK, religion

By FactCheck.Org

Santorum’s twisted take on John F. Kennedy and religion

FACT CHECK: Cloudy contraception costs

By FactCheck.Org

Does insurance coverage for contraception save money? Evidence is conflicting, inconclusive

FACT CHECK: GOP debaters mix up facts in Mesa

By FactCheck.Org

Twentieth Republican presidential debate includes many falsehoods

FACT CHECK: Santorum exaggerates U.S. dropout rate

By FactCheck.Org

Republican presidential candidate misquotes education study on 'Face the Nation'

FACT CHECK: Romney’s ‘fiscal conservative’ whopper

By FactCheck.Org

Romney alleges that Rick Santorum is no 'fiscal conservative,' but he'd struggle to back up the claim

FACT CHECK: Artful swerves on the auto bailout

By The Associated Press

Both sides botch the facts in discussions on the 2008 federal bailout of the auto industry

FACT CHECK: Pro-Romney super PAC hits Santorum with misleading claims

By FactCheck.Org

TV ad from Restore Our Future makes misleading claims about GOP candidate Rick Santorum

FACT CHECK: Gunning down the truth in Michigan

By FactCheck.Org

Exciting race between Romney and Santorum makes for misstatements in Michigan TV ads

FACT CHECK: Obama’s trillion-dollar exaggeration

By FactCheck.Org

President Obama throws around a big number calling for an end to Bush tax cuts

FACT CHECK: Another bogus ‘new taxes’ claim

By FactCheck.Org

Oil lobby pulls a single claim in President Obama's budget, and uses it incorrectly

State Integrity Investigation releases preliminary data on government transparency

By iWatch News

The State Integrity Investigation makes available a massive collection of data on transparency in state governments

FACT CHECK: There are budget phantoms in the room

By The Associated Press

A hard look at the gimmicks in President Obama's 2013 budget

Romney flip-flops on use of earmarks

By The Associated Press

Romney the presidential nominee is anti-earmark, but as governor, Mass. had many 'high priority projects'

FACT CHECK: Politicians choose their own definition for 'unemployment'

By FactCheck.Org

As a common talking point for both parties, the U.S. unemployment rate can take on many definitions

FACT CHECK: Donald Trump weighs in on Santorum's Senate loss

By FactCheck.Org

Trump's 'cocktail party trivia' on Santorum's defeat for his seat in the Senate is factually inaccurate

FACT CHECK: Gingrich's predictions of rising gas prices not necessarily true

By FactCheck.Org

Former House Speaker's claims on rising cost of gasoline based on overly-stringent study

FACT CHECK: Obama, GOP spin recent energy stats

By The Associated Press

GOP rendition of U.S. energy production isn't in line with the facts

FACT CHECK: McCain’s erroneous earmark attack

By FactCheck.Org

Sen. John McCain cherry-picks data on one of his forefront issues, to attack Newt Gingrich

FACT CHECK: The Gingrich counterattack in Florida

By FactCheck.Org

The Gingrich side has finally begun to fight back with TV attack ads of its own in Florida

FACT CHECK: Refereeing the Republican response

By FactCheck.Org

Indiana Gov. Mitch Daniels makes a few errors in his response to President Obama's address

FACT CHECK: The state of Obama’s facts

By FactCheck.Org

The president’s facts and figures were often accurate — but not the whole story

FACT CHECK: Flubs in Florida

By FactCheck.Org

Facts took a beating in Monday's GOP candidate debate

FACT CHECK: Did Gingrich ‘slash’ federal spending?

By FactCheck.Org

Gingrich super PAC ad claims the former speaker slashed federal spending, but the ad exaggerates

FACT CHECK: Final four GOP candidates face off in South Carolina

By FactCheck.Org

Republican candidates face off on health care, abortion, history and jobs