from:
http://www.whydidthechickencrosstheroad.com/
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"Three-Legged Chickens"
A man was driving along a freeway when he noticed a chicken running alongside his car. He was amazed to see the chicken keeping up with him, as he was doing 50 mph. He accelerated to 60, and the chicken stayed right next to him. He sped up to 75 mph, and the chicken passed him. The man noticed that the chicken had three legs. So he followed the chicken down a road and ended up at a farm. He got out of his car and saw that all the chickens had three legs. He asked the farmer, "What's up with these chickens?" The farmer said "Well, everybody likes chicken legs, so I bred a three-legged bird. I'm going to be a millionaire." The man asked him how they tasted. The farmer said, "Don't know, haven't caught one yet." (Molly - Ohio/USA)
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Q: Why did the chicken run across the road?
A: There was a car coming.
Q: Why did the chicken cross the road halfway?
A: She wanted to lay it on the line.
Q: Why did the rubber chicken cross the road?
A: She wanted to stretch her legs.
Q: Why did the Roman chicken cross the road?
A: She was afraid someone would caesar!
Q: Why did the chicken cross the road?
A: To prove to the possum it could actually be done!