The Biden gap and the partisan poll flood: Breaking down the latest Senate surveys

A spate of new polls arrived this week bearing a clear message for Democrats: They are still in the hunt for the Senate majority.

The parties are deadlocked in Georgia and Nevada. Democrats have slight leads in Arizona and Pennsylvania — though there’s a lack of reliable polling since last week’s potentially game-changing debate in that race.

Monday’s New York Times/Siena College polls were each at least five days old when they were released, so even though Democrat John Fetterman was ahead Republican Mehmet Oz in Pennsylvania, it’s not clear if Fetterman’s...