Because their horns don't work.
There were two cows in a field. The first cow said "moo" and the second cow said "baaaa." The first cow asked the second cow, "why did you say baaaa?" The second cow said, "I'm learning a foreign language."
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Just one, but he/she will spend hours checking for technical problems.
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On the latest episode of "Celebrity Apprentice", Donald Trump fired himself!
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Because it gave him a big wave!
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Two. One to screw it in, and one to stab the other in the back and take all the credit.
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I was amazed, I never knew they worked.
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