Poll shows Obama with 4-point lead in Ohio

The poll's finding comes as both the Obama campaign and Romney campaign are holding a number of speeches in Ohio and the surrounding Midwestern states over the next week.

Right around the time the Ohio poll was released, the Romney campaign announced a number of campaign events in the Buckeye State on Wednesday.

This most recent CNN/Opinion Research poll will be welcome news for the Obama campaign after a disappointing performance at the first presidential debate last week and a recent poll by Pew Research that found Romney holding a 4-percentage-point lead nationally.

The poll was conducted among 1,020 participants from Oct. 5 to Oct. 8. It had a total sampling margin of error of 3 percentage points. 

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