There has been a lot of chatter since Barack Obama effectively won the Democratic nomination on June 3 about an Obama (or unity) bounce in the polls. I was--and still am--skeptical about the bounce based on semantics. As I've argued, a bounce--like those after a convention--implies that there is a sudden uptick in polling foll

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This may be less an approach than an observation, but I've spent a fair amount of time looking at the Rasmussen polls recently; especially the distinction between the "leaners" and "without leaners" data. And while polls thus far have indicated that the trip has yet to yield any noticeable bounce for the Illinois senator,

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