books.google.com - Right up to election day many polls showed Kerry leading Bush by a significant margin, and early exit polling confirmed this misapprehension. Why were the polls so wrong and what does it mean to 'be ahead' in the polls? How ephemeral are these leads at different stages of the campaign? Who sponsors the...http://books.google.com/books/about/The_voter_s_guide_to_election_polls.html?id=T30UHBsUpoMC&utm_source=gb-gplus-shareThe voter's guide to election polls
