President Barack Obama is embarking on a four-day march through battleground states and the storm-battered Gulf Coast in the lead-up to his party's convention.
With his party's faithful streaming to Charlotte, N.C., for next week's convention, Obama returns to Iowa on Saturday. For his part, Republican Mitt Romney looks to capitalize on a newly energized GOP fresh from its convention with a rally in Cincinnati before joining running mate Paul Ryan later in the day in Jacksonville, Fla.
Both campaigns are crisscrossing the country as the campaign enters September, each day adding to the sense of urgency in a presidential contest that has remained tight since Romney sewed up the nomination in April.
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