The current edition of The Economist has a story, “Often voting early: Why election day no longer means what it did.” The story has some very good quotes from Paul Gronke, setting the context for what will be some very interesting research to come out after this election, when more data becomes available as to how extensive early and abstentee voting was in 2006, and who took advantage of early and absentee voting opportunities (and who voting in the precincts).