Partisan differences themselves are a trap, because they serve largely to factionalize society so that it's hopelessly divided and unable to resist a unified establishment whose interests are at variance with those of the public.
It is comforting to know you can trust someone, even if you disagree with some of their ideas. One earns trust by being honest, truthful and consistent. There is only one candidate who has been trustworthy throughout this campaign.
As we enter the final week of the campaign, an obvious question to ask is how to convert the state-by-state probabilities of an Obama or Romney lead in the polls to probabilities that Obama or Romney will win the state and the election itself.