I think it's the lack of sound, but I found this really, really effective. I love ignoring Sarah Palin until the final week, and then turning that "starbursts" wink against them. It really is the essence of unseriousness.
See web-only content:
http://www.theatlantic.com/entertainment/archive/2008/10/devastating/6148/
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http://www.theatlantic.com/entertainment/archive/2008/10/devastating/6148/
