11/01/2008 05:12 am ET Updated May 25, 2011

Top Obama Labor Supporter Warns: Battleground States "Extremely Volatile"

In an unusually candid interview, a top official for the largest union backing Obama said that internal union polling shows that the race remains much more volatile and fluid in key battleground states than public polling suggests. He warned that low-information swing-state voters are saying they still don't have a firm enough grasp on Obama's life-story, character and record for the Illinois Senator to close the deal with them.

The comments by the official, AFL-CIO deputy political director Mike Podhorzer, are surprisingly frank and seemed intended as a reality check at a time when polls show the momentum has clearly swung in Obama's favor.

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