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.
|'Call Me Caitlyn,' Jenner says, but not everyone is listening|
|Why your rent check just keeps going up|
|10 more billionaires join Buffett-Gates Giving Pledge|
|Just how much lobbying is Google doing? Investors want to know|
|Dr. Doom: Liquidity 'time bomb' will trigger next financial collapse|