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.
|Michaels hack hit 3 million|
|Wealthy investors flock to fine art funds|
|Detroit pension cuts hit civilian workers hardest|
|Obama would cut deficits by another $1 trillion|
|GM's recalled Cobalt was a failure from the start|