The art and science of laughter

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The art and science of laughter

The art and science of laughter
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The art and science of laughter

by CBSTV Videos 7:33 mins

Susan Spencer of “48 Hours” sits down with the writers of the “Late Show With David Letterman” to find out what some of the funniest people on the planet know about humor, and learns that being funny is serious work.

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