Let me be clear: I'm not saying Obama supporters should be worried about Tuesday's election. After all, most polling analysts and all the betting markets have President Obama as the favorite. But if you're like me -- an Obama supporter who for whatever perverse reason scans the horizon for glimmers of gloom -- you'll want to be in touch with the most plausible grounds for pessimism. I summarize them below. These worries may or may not be valid, but they're the best I've got.
1. Hurricane Sandy reverses course. Karl Rove says Sandy helped Obama by making him the "comforter-in-chief." And for the first 48 hours that did seem to be the story: Governor Chris Christie embraced him, Mayor Bloomberg endorsed him, and meanwhile Mitt Romney was found to have once dissed the idea of federal disaster relief. But here's something that occurred to me right around my 70th hour without electricity (which was restored around hour 75, I'm happy to say): The more time you spend without power, the more frustrated and even angry you get, so by Tuesday we could have some very unhappy campers on our hands. Of course, the states hit hardest -- New Jersey, New York -- aren't swing states, but there was also damage in Pennsylvania, Virginia, even Ohio. And, anyway, national news coverage of the Sandy zone can convey a sense of chaos and incompetence that, justifiably or not, works against the incumbent. The Drudge Report (see the shot from its Friday night homepage on the right) is doing its best to further that cause. But even less ideological news outlets will tend to focus on the parts of the storm recovery that aren't working. That's what journalism naturally does. (h/t: @blakehounshell)
2. The national polls are right and the state polls are wrong. There's a tension between polls being done at the state level -- mainly in swing states -- and the national polls. The former show Obama winning the electoral college, the latter show the popular vote being a tossup or maybe even going to Romney. Now, in principle it's possible that this discrepancy isn't a contradiction. Maybe Romney is "wasting" more votes with huge majorities in red states than Obama is "wasting" in less lopsided blue states -- so Obama has more votes "left over" for swing states. That's the way Obama could clearly win in the electoral college while roughly tying in, or even losing in, the popular vote. But Nate Silver of the New York Times recently provided reason to think this isn't what's happening. He says it looks more like either the state polls or the national polls are just plain wrong. [Update, 11/4, 8:50 p.m.: Obama supporters will be happy to hear that new data is making Silver reconsider. This evening he tweeted: "Everything gelling a bit: 1) US polls catching up to state polls 2) bad polls for BHO in noncompetitive states help explain remaining spread."]
Silver thinks the state polls are more likely to be right than the national polls. But what if it's the other way around? What if the state polls are systematically wrong? Maybe owing to some methodological flaw that's more common among low-budget state-level pollsters? And maybe the impact of this flaw has been magnified by recent changes in demographics or in personal communications technology or whatever? Silver enlists a chart to show that national polls have often been more biased (i.e., systematically overstated either Democratic or Republican performance) than state polls. But the chart also shows that the last time national polls were markedly more biased than state polls was back in 2000 -- and in the most recent election national polls were ever-so-slightly less biased than state polls. Maybe this is a trend, and state polls are getting less and less reliable? I'm not saying this is the case. But as sources of anxiety go, it's not a bad one. Indeed, Silver wrote in a Saturday morning post that if his prediction of an Obama victory is wrong -- an outcome he gives a 16 percent probability -- it will almost certainly be because the state polls are wrong.
3. The Bradley Effect (named after former African-American mayor of Los Angeles Tom Bradley). Are some people reluctant to admit to pollsters that they're voting against a black candidate? If so, then both state and national polls could be overstating Obama's popular support. The conventional wisdom is that the Bradley Effect didn't amount to much in 2008, but Doug Wilder, former black governor of Virginia, thinks it could be a factor in 2012.
4. Benghazi. Actually, even a worrier like me can't find much to worry about here. The conspiracy theory suggested by Fox News -- that someone somewhere in the federal government ordered American security forces not to come to the rescue of Ambassador Chris Stevens and others in the Benghazi consulate -- hasn't held up. Romneyites have flogged the hell out of the Benghazi story, but I think that what little mileage they can get out of it they've already gotten.
5. Undecideds break against the incumbent in the final few days. There's controversy over whether this tends to happen as a rule, but in any event it could presumably happen in any given year. Maybe, for example, "low-information voters" are particularly influenced by negative storm coverage or Benghazi conspiracy theories. But if so, they'd better hurry, because we've gone into the final weekend without any discernible movement toward Romney in the polls.
OK, those are the main sources of worry I can generate at the moment. But I'll continue to seek signs of impending doom (or, if you're a Romney supporter, signs of emerging hope) and report back if I find any. As always, I'm optimistic about my chances of success.
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