Close race leaves pollsters little margin for error

… Polling isn’t as simple as asking 500 people a few questions and adding up their answers. It’s a subtle blend of science and social alchemy that attempts to predict the future: who will show up at the polls and which buttons they will push.

“It’s not mysterious, or not that one is wrong, it is that different pollsters have to make different choices,” said Cliff Zukin, a Rutgers University political scientist who authored an Oct. 24 polling explainer for the American Association of Public Opinion Research. [cont.]

Scott Kraus, The Morning Call