6:26 PM PT: Woo hoo! AP calls it for Sherrod Brown, meaning that conservative billionaires pissed away about $40 million in the state.
6:27 PM PT: Winning feels good, doesn't it?
And now Fox News calls Wisconsin for Obama, but we knew that already. Because the math.
6:28 PM PT: And by the way, everyone saying this was a big win for Nate Silver are wrong. All he did was average out the polling data. If the polling data was wrong, he'd be wrong.
In other words, it's a big night for pollsters who, thus far, have called it right.