WASHINGTON (Reuters) - The election between President Barack Obama and Republican challenger Mitt Romney looks like it will be a knuckle-biter - unless you go by one of the United States' most respected public-opinion polls.
As most surveys show Obama and Romney locked in a virtual dead heat, Gallup finds that the Republican would win by a comfortable six percentage points if the election were held today.
Questions about the gap between Gallup's findings and those of other pollsters is the latest fuss this election season over polling methodology as partisan passions come to a boil in the heated final weeks before the November 6 presidential contest.
With a record of correctly predicting all but three of the 19 presidential races stretching back to 1936, Gallup is one of the most prestigious names in the business and its outlier status has other polling experts scratching their heads.
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