A joke from my high school Latin teacher. This is why I still check Facebook Scientists had developed a race of genetically engineered porpoises that could live forever. Getting bored after many years of intellectual study, the porpoises asked their keeper to get them a book on Latin poetry that could amuse them. On the way back to the aquarium, the keeper spied a lion asleep on the road. Afraid to wake the lion, he quietly stepped over it and was immediately confronted by two FBI agents who promptly arrested him. The charge: violation of the Mann Act -- transporting a Juvenal across a sedate lion for immortal porpoises.