How to Understand Polls 101

Huff Post has a great article that explains how pollsters use different models to distinguish "likely voters." The models are key - all polls show that among regisitered voters, the Dems are running about even, but that given GOP enthusiasm, when you consider only those who are "likely" to vote, the GOP opens a wide lead. This article helps explain how pollsters draw up their models which are key to understand their findings.