RAT LAND—A rat colony underneath Washington, D.C. recently became aware of a surface world with blue skies, warm sunlight, and abundant garbage. The colony, ruled by a council of noble volunteers, was planning a great move to the "land of plenty" until it was discovered to be infested with hundreds of politicians. "Ewww! No wonder our ancestors made their home in the bowels of the earth," said Whisker Nosewrangle in ancient Sumerian, the language all rats speak. "Disgusting!" "Rats, it is hereby forbidden to breach the surface," said a representative of the rat council. "The way is shut! We cannot...