Drilling down to the state level is a good way to really trash those "predictions" from HuffPo. 538 really did get it right. They constantly noted the high corr

Drilling down to the state level is a good way to really trash those "predictions" from HuffPo. 538 really did get it right. They constantly noted the high correlation among related states, saying that if the polls are wrong in MI, they'd probably be wrong by the same amount in WI and PA. And that's exactly what happened.