My new Upshot column is on pundit predictions and how the miracle of aggregation can make even a group of individuals with strong partisan biases collectively more accurate than they are individually. Here’s how it begins:

Watching pundits and politicos speculate about what will happen in a coming election can feel like an exercise in futility. Most predict that their side will win, so what do we learn?
This blather may be more informative than it seems, however.

Read the whole thing for more.