By Patrick Appel
Obama responds to the ad:

We want to have a serious debate. But so far, we've been hearing about Paris Hilton and Britney Spears. I do have to ask my opponent: is that the best you can come up with? Is that really what the election is about? Is that worthy of the American people? ...

In other news, the McCain campaign retracts and then de-retracts its claim about Obama "snubbing" the troops.

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