Nate Silver has pulled off an unprecedented "double" this year:
In his role as guru of the PECOTA performance projection system at Baseball Prospectus, he correctly predicted the Rays' rise this season. Arguably, he sparked the bandwagon.
In his role as founder and lead voice of politics blog FiveThirtyEight.com, he has become the breakout star of political polling punditry - it's in my heavy rotation.
Here is a must-read New York magazine story that puts it all together about Silver.