Cafferty: Why isn’t Obama doing better in the polls?

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It's a mystery to many: why isn't Barack Obama farther ahead in the polls?

CNN's poll of polls shows Obama up by 5 points, leading John McCain 45% to 40%. In most polls, he rarely breaks 50%. A new USA Today/Gallup Poll actually shows McCain leading Obama 49% to 45% percent among likely voters.

It seems like Obama should be miles ahead of McCain when you consider the political climate.

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