In addition to Fortune's 40 Under 40 list, we're also keeping our eye on these 20 innovators, young guns from a wide range of industries and backgrounds.
|Safety group claims 303 deaths linked to recalled GM cars|
|Number of millionaire households in the U.S. reaches high|
|Mark Zuckerberg calls Obama to complain about NSA|
|Teens face toughest job market on record, study says|
|IBM's double dilemma|