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.
|EpiPen CEO: Blame the 'broken' system, not me|
|What happened to AIDS drug that spiked 5,000%|
|Uber bleeds more than $1 billion in six months|
|States face a $1 trillion public pension shortfall|
|HLN cancels Dr. Drew show|