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The art and science of laughter
Posted
March 30, 2014
Views
1,966
Likes
6
Comments
1
Engagement
0.36%
March 30, 2014
1,966
6
1
0.36%
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7:34Now PlayingSusan 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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