How Obama’s Data Team Beat the Pollsters

Joshua Green points out how many have claimed the Obama re-election campaign’s models proved more accurate than traditional tracking polls in the run up before the election.

“A number of Obama vets repeated this claim to me, so I asked them to provide some evidence to back it up, and they did. Here, for the first time, is a chart based on internal data that shows how the Obama campaign’s swing state model performed against the much maligned Gallup poll over the last several months of the race.”