| http://www.w3.org/ns/prov#value | - The poll???s margin of error is plus or minus one percentage point.???His approval rating is a key indicator of his electoral vote chances, but it alone will not dictate his success in a given state???s vote,??? wrote Gallup???s Jeffrey Jones in a blog post on the survey.???The electorate in each state represents a smaller share of the population than the larger pool of all state residents on whic
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