"Obama also holds a narrow lead among men, expanded his lead with Catholics and Hispanics and leads McCain among voters in every age group, including voters above the age of 65 who had been among his strongest supporters."
Source
Hmm....Negativity appears to be eroding support exponentially for the Senator. Unlike other factors this appears to be something that can attributed directly to the Campaign. It will be interesting to see how the Campaign's messaging strategy reacts on the Trail as well as in various interviews.