Exclusive: Sarah Palin

After widespread complaints like overpriced degrees, misleading claims and an alarming level of student debt at for-profit colleges, Wyatt Andrews reports on an undercover investigation into college student recruitment.

Sunday: A massive piece of machinery once attached to an oil well could hold major clues to preventing future spills; Also, the uphill battle for Democrats in the mid-term election; Plus, the Chilean miner rescue effort one month later.

Americans over 65 years old will make up more than 16 percent of the country's population by 2020. Richard Roth reports on what companies like BMW are doing with the increasingly aging workforce.

One month after the gold and copper mine in Chile collapsed, Seth Doane reports on the continuing rescue effort to free the 33 miners trapped deep underground.

With Labor Day marking the beginning of the political dash to Election Day, Bob Orr reports on the Democrats' plan for the mid-term election.