Today's Takeaway: Pissed Off Voters Could Decide Elections

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You've probably heard pundits point to various attributes of each presidential candidate, Obama's likeability or Romney's stance on the economy, for instance, as explanations of why they appeal with different demographics. But it could turn out that none of these factors make much of a difference. John Casti, author of "Mood Matters: From Rising Skirt Lengths to the Collapse of World Powers," says it all boils down to mood.