Over the past several months, Wisconsin Governor Scott Walker and his Democrat challenger Mary Burke have been in a dogfight. Two weeks ago, a Marquette poll had the two tied at 47% apiece among likely voters. But now the latest Marquette poll has Walker leading Burke by seven points (50% to 43%) with the election less than a week away.
This is because Republicans are more likely to turn out for Walker than Democrats and independents are for Burke. This is a consequence of Burke's unfavorability rating going up.
Could this poll be an outlier? Maybe, but as John McCormack of The Weekly Standard explains: