Barry Sanders

Aristotle thought that laughter is what separates us from the beasts. Try to explain that to rats who laugh when tickled.

We explore the rise and fall of a group of professional laughers hired to laugh for money on Fran Drescher's show "The Nanny."

Aristotle thought that laughter is what separates us from the beasts, and that a baby does not have a soul until the moment it laughs for the first time.