Margaret Haddican, a volunteer firefighter, Army veteran and mother of three, vanished from her New Jersey home, leaving her 5-month-old daughter alone in her crib. Haddican sometimes walked out on her husband during arguments but never would have left the baby behind, her parents say. Her disappearance reaches the two-year mark this week. CNN.com and Nancy Grace are working together to bring fresh eyes to cold cases.

Stocks turned lower near midday Tuesday, following a choppy morning, as enthusiasm about the Fed's plan to loosen up credit for businesses faded amid ongoing worries about the financial markets and economy.

The Federal Reserve today announced a new program to help the battered market for short-term business loans. The program addresses commercial paper, a form of short-term funding that many businesses use for day-to-day expenses including supplies and payroll. The Fed program follows the approval by Congress last week of the Treasury Department's $700 billion bailout of the financial system.

The Emergency Economic Stabilization Act contains plenty to make lawmakers on the left and right shudder. On the right, it's the apparent abandonment of free-market principles. On the left, it's the absence of punishment for high-flying Wall Street CEO's.

With just four weeks left until Election Day, Barack Obama and John McCain are preparing to face off in Tuesday night's high-stakes presidential debate. The debate comes amid stepped-up attacks from both sides, setting the stage for a potentially more electrifying exchange than in the first presidential debate.

Polls in five key battleground states in the race for the White House released Tuesday suggest that Sen. Barack Obama is making major gains.

By now you've probably heard about how ugly things have gotten out there on the campaign trail in the last 48 hours.

U.S. military officials disputed Iranian media reports on Tuesday that Iranian fighter jets intercepted a U.S. military plane after it violated Iranian airspace.

Tropical Storm Marco made landfall Tuesday on Mexico's Gulf Coast a day after forming in the Bay of Campeche, the National Hurricane Center said.

An U.S. spacecraft was scheduled to beam hundreds of photos of Mercury back to Earth on Tuesday after a close encounter with the planet closest to the sun.