The most interesting things to come across my screen early this morning were two separate pieces by two well-regarded number-crunchers from two different ideological orientations on the same subject: the continuing divergence of national and state polls of the presidential contest, with the former generally favoring Romney and the latter Obama. After conducting extrapolations of state data to a national profile of the race, both Nate Cohn of TNR and Sean Trende of RCP come to the same conclusion: the divergence really is a matter of disagreement, not a sign of an impending popular vote/electoral college split. And neither finds any ready explanation, or a clear reason to prefer one batch of polls to another. In some cycles (1996 and 2000) state polling has been more accurate, and in others (2008) the national polls have gotten it right. Nate Silver recently made the case for state polls being pretty accurate, particularly when the show a consistent lead, but he admits the evidence of state poll superiority is limited.
In any event, the Cohn-Trende consensus, if it spreads, should throw cold water on the rampant discussion, which was beginning to approach CW status, that Romney was going to win the popular vote and Obama the presidency, based on (a) blue vote falloff for Obama or (b) southern red-state hyper-fanaticism for Romney. It’s true that national polls (and the Cohn-Trende analysis) haven’t factored in the possible falloff in voting levels in the states most affected by Sandy. And for that matter, the polls aren’t yet in a position to reflect a possible bounce for Obama attributable to his administration’s emergency management performance (though Gallup’s last tracking poll, suspended on Monday due to Sandy’s impact on response levels, did show an intriguing three-point jump in Obama’s job approval rating).
But the bottom line is that the final stretch of this campaign is likely to remain something of a mystery, particularly with all the manic spin going on about “who’s winning,” especially on the Right, where confidently predicting a Romney victory or even a landslide appears to be a powerful herd obligation. There’s certainly more than a little incentive for base voters on both sides to take the trouble to vote. In particular, Obama supporters should note that most of those national polls showing Romney ahead among likely voters also show Obama leading among registered voters. GOTV is how you get the former sample to more closely resemble the latter.
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