The following is an excerpt from Leaving the Wild: The Unnatural History of Dogs, Cats, Cows, and Horses by Gavin Ehringer, which explores the ever-evolving relationship between humans and domesticated animals. Preamble,  by Jessica Case,  deputy publisher,  Pegasus Books: The little-examined, yet omnipresent act of breeding lies at the core of Gavin Ehringer’s book.  You’ll meet cows cloned from […]