With just over a week to go, news outlets are inundated with polling results gaging voter sentiment in the presidential election — up to 20 state and national polls are coming out every day, often with different results. Which ones can you trust? How are they conducted? Washington Post polling director Jon Cohen helps us separate the signal from the noise.
Elections 2012: How To Read The Polls
By Katy Sewall • Oct 29, 2012